Three numbers

The sum of the three numbers is 287. These numbers are in a ratio of 3: 7: 1/4
Define these numbers

Correct result:

a =  84
b =  196
c =  7


s=287 a+b+c=s 3k+7k+0.25k=s k=s/(3+7+1/4)=287/(3+7+1/4)=28 a=3 k=3 28=84s=287 \ \\ a+b+c=s \ \\ 3k+7k+0.25k=s \ \\ k=s/(3+7+1/4)=287/(3+7+1/4)=28 \ \\ a=3 \cdot \ k=3 \cdot \ 28=84
b=7 k=7 28=196b=7 \cdot \ k=7 \cdot \ 28=196
c=1/4 k=1/4 28=7c=1/4 \cdot \ k=1/4 \cdot \ 28=7

We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you!

Showing 0 comments:

Tips to related online calculators
Check out our ratio calculator.

You need to know the following knowledge to solve this word math problem:

Next similar math problems:

  • Pennies
    Toliar.preview 800 pennies have the same value as 100 ducats. 100 pennies have the same value as 250 tolars. How many ducats has the same value as 100 tolars?
  • Ratio
    ratio_1 6 numbers are in the ratio 1:5:1:5:5:5. Their sum is 242. What are the numbers?
  • In the
    land_6 In the national park, the ratio of the wooded area to grassland is 4: 1. The total area is 385km2. What area is wooded?
  • Sum of odd numbers
    seq_sum Find the sum of all odd integers from 13 to 781.
  • Division
    bonbons Three siblings Helena, Oliver and George split the bag with candies on merit in the ratio 6:1:4. How many candies should each get if in bag were 88?
  • Probably member
    math_series Look at the series 2,6,25,96,285, ? What number should come next?
  • Sum of the seventeen numbers
    seq_sum The sum of the 17 different natural numbers is 154. Determine the sum of the two largest ones.
  • ŽSR
    luzianky Calculate fixed annual personnel costs of operating monorail line 118 km long if every 5 km is a station, which serves three people - one dispatcher and two switchmen in 4-shift operation. Consider the average salary of the employee 885 €.
  • Numbers at ratio
    number-2_2 The two numbers are in a ratio 3:2. If we each increase by 5 would be at a ratio of 4:3. What is the sum of original numbers?
  • Find the sum
    arithmet_seq_2 Find the sum of all natural numbers from 1 and 100, which are divisible by 2 or 5
  • Cuboid
    kvader11 The sum of the lengths of the three edges of the cuboid that originate from one vertex is 210 cm. Edge length ratio is 7: 5: 3. Calculate the length of the edges.
  • Divide 5
    ratios2 Divide 288 in the following ratio 3 : 4 : 5
  • Ratio three numbers
    suv Three numbers SUV are in the ratio 1:2:3. Their sum is 24. Find this numbers and write their add and sum.
  • Gear
    ozubene_kolesa Two gears, fit into each other, has transfer 2:3. Centres of gears are spaced 82 cm. What are the radii of the gears?
  • Sides ratio
    triangle3_1 Calculate the circumference of a triangle with area 84 cm2 if a:b:c = 10:17:21
  • Consecutive numbers
    progression Sum of ten consecutive numbers is 105. Determine these numbers (write first and last).
  • Chicks
    kuriatko How many chicks were hatched from 4500 eggs, when an average of 100 eggs hatched 87 chicks?