Friends

Some friends had to collect the sum 72 EUR equally. If the three refused their part, others would have to give each 4 euros more. How many are friends?

Result

n =  9

Solution:

n=1 e=72(n-3).(e+4)=-152
n=2 e=36(n-3).(e+4)=-40
n=3 e=24(n-3).(e+4)=0
n=4 e=18(n-3).(e+4)=22
n=5 e=14.4(n-3).(e+4)=36.8
n=6 e=12(n-3).(e+4)=48
n=7 e=10.2857142857(n-3).(e+4)=57.1428571429
n=8 e=9(n-3).(e+4)=65
n=9 ****e=8(n-3).(e+4)=72
n=10 e=7.2(n-3).(e+4)=78.4
n=11 e=6.54545454545(n-3).(e+4)=84.3636363636
n=12 e=6(n-3).(e+4)=90
n=13 e=5.53846153846(n-3).(e+4)=95.3846153846
n=14 e=5.14285714286(n-3).(e+4)=100.571428571
n=15 e=4.8(n-3).(e+4)=105.6
n=16 e=4.5(n-3).(e+4)=110.5
n=17 e=4.23529411765(n-3).(e+4)=115.294117647
n=18 e=4(n-3).(e+4)=120
n=19 e=3.78947368421(n-3).(e+4)=124.631578947
n=20 e=3.6(n-3).(e+4)=129.2
n=21 e=3.42857142857(n-3).(e+4)=133.714285714
n=22 e=3.27272727273(n-3).(e+4)=138.181818182
n=23 e=3.13043478261(n-3).(e+4)=142.608695652
n=24 e=3(n-3).(e+4)=147
n=25 e=2.88(n-3).(e+4)=151.36
n=26 e=2.76923076923(n-3).(e+4)=155.692307692
n=27 e=2.66666666667(n-3).(e+4)=160
n=28 e=2.57142857143(n-3).(e+4)=164.285714286
n=29 e=2.48275862069(n-3).(e+4)=168.551724138
n=30 e=2.4(n-3).(e+4)=172.8
n=31 e=2.32258064516(n-3).(e+4)=177.032258065
n=32 e=2.25(n-3).(e+4)=181.25
n=33 e=2.18181818182(n-3).(e+4)=185.454545455
n=34 e=2.11764705882(n-3).(e+4)=189.647058824
n=35 e=2.05714285714(n-3).(e+4)=193.828571429
n=36 e=2(n-3).(e+4)=198
n=37 e=1.94594594595(n-3).(e+4)=202.162162162
n=38 e=1.89473684211(n-3).(e+4)=206.315789474
n=39 e=1.84615384615(n-3).(e+4)=210.461538462
n=40 e=1.8(n-3).(e+4)=214.6
n=41 e=1.75609756098(n-3).(e+4)=218.731707317
n=42 e=1.71428571429(n-3).(e+4)=222.857142857
n=43 e=1.67441860465(n-3).(e+4)=226.976744186
n=44 e=1.63636363636(n-3).(e+4)=231.090909091
n=45 e=1.6(n-3).(e+4)=235.2
n=46 e=1.5652173913(n-3).(e+4)=239.304347826
n=47 e=1.53191489362(n-3).(e+4)=243.404255319
n=48 e=1.5(n-3).(e+4)=247.5
n=49 e=1.4693877551(n-3).(e+4)=251.591836735
n=50 e=1.44(n-3).(e+4)=255.68
n=51 e=1.41176470588(n-3).(e+4)=259.764705882
n=52 e=1.38461538462(n-3).(e+4)=263.846153846
n=53 e=1.35849056604(n-3).(e+4)=267.924528302
n=54 e=1.33333333333(n-3).(e+4)=272
n=55 e=1.30909090909(n-3).(e+4)=276.072727273
n=56 e=1.28571428571(n-3).(e+4)=280.142857143
n=57 e=1.26315789474(n-3).(e+4)=284.210526316
n=58 e=1.24137931034(n-3).(e+4)=288.275862069
n=59 e=1.22033898305(n-3).(e+4)=292.338983051
n=60 e=1.2(n-3).(e+4)=296.4
n=61 e=1.18032786885(n-3).(e+4)=300.459016393
n=62 e=1.16129032258(n-3).(e+4)=304.516129032
n=63 e=1.14285714286(n-3).(e+4)=308.571428571
n=64 e=1.125(n-3).(e+4)=312.625
n=65 e=1.10769230769(n-3).(e+4)=316.676923077
n=66 e=1.09090909091(n-3).(e+4)=320.727272727
n=67 e=1.07462686567(n-3).(e+4)=324.776119403
n=68 e=1.05882352941(n-3).(e+4)=328.823529412
n=69 e=1.04347826087(n-3).(e+4)=332.869565217
n=70 e=1.02857142857(n-3).(e+4)=336.914285714
n=71 e=1.01408450704(n-3).(e+4)=340.957746479

Solution in text n =







Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




Looking for help with calculating roots of a quadratic equation? Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation? Do you solve Diofant problems and looking for a calculator of Diofant integer equations?

Next similar math problems:

  1. Boys and money
    money_12 270 USD boys divided so that Peter got three times more than Paul and Ivan has 120 USD more than than Paul. How much each received?
  2. Three unknowns
    matrix_1 Solve the system of linear equations with three unknowns: A + B + C = 14 B - A - C = 4 2A - B + C = 0
  3. Three workshops
    workers_24 There are 2743 people working in three workshops. In the second workshop works 140 people more than in the first and in third works 4.2 times more than the second one. How many people work in each workshop?
  4. Legs
    rak Cancer has 5 pairs of legs. The insect has 6 legs. 60 animals have a total of 500 legs. How much more are cancers than insects?
  5. Quadratic equation
    kvadrat_2 Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
  6. Equation
    calculator_2 Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
  7. 925 USD
    money_22 Four classmates saved an annual total 925 USD. The second save twice as the first, third 35 USD more than the second and fourth 10 USD less than the first. How USD save each of them?
  8. Nine books
    books_42 Nine books are to be bought by a student. Art books cost $6.00 each and biology books cost $6.50 each . If the total amount spent was $56.00, how many of each book was bought?
  9. Elimination method
    rovnice_1 Solve system of linear equations by elimination method: 5/2x + 3/5y= 4/15 1/2x + 2/5y= 2/15
  10. Variable
    eq2_12 Find variable P: PP plus P x P plus P = 160
  11. A candle
    candles A candle shop sells scented candles for $16 each and unscented candles for $10 each. The shop sells 28 candles today and makes $400. a. Write a system of linear equations that represents the situation. b. Solve the system to answer the questions: How m
  12. Roots
    parabola Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
  13. Savings
    penize_29 Paul has a by half greater savings than half Stanley, but the same savings as Radek. Staney save 120 CZK less than Radek. What savings have 3 boys together?
  14. Ball game
    lopta_3 Richard, Denis and Denise together scored 932 goals. Denis scored 4 goals over Denise but Denis scored 24 goals less than Richard. Determine the number of goals for each player.
  15. Discriminant
    Quadratic_equation_discriminant Determine the discriminant of the equation: ?
  16. Linsys2
    linear_eq_3 Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144
  17. A fisherman
    worms A fisherman buys carnivores to fish. He could buy either 6 larvae and 4 worms for $ 132 or 4 larvae and 7 worms per $ 127. What is the price of larvae and worms? Argue the answer.