System of equations + addition - math problems

Number of problems found: 26

  • Nice two numbers
    plusminus What two numbers we give a sum of 30 difference of 24 products of 81 and a quotient of 9?
  • Three unknown numbers
    eq2_fx The sum of of three numbers is 106. the first number is 10 more then the third. The second number is 2x the third. What are the numbers?
  • A number 4
    numbers A number is made up of two digits. The sum of the digits is 11. if the digits are interchanged, the original number is increase by 9. Find the original number
  • The sum
    eq222 The sum of the squares of two immediately following natural numbers is 1201. Find these numbers.
  • Adding
    eq1 Divide number 135 into two additions so that one adds 30 more than 2/5 of the other add. Write the bigger one.
  • Sum and ratio
    eq1 The sum and ratio of two numbers is equal to 10. Which numbers are they?
  • Self-counting machine
    nisa_Samopocet The self-counting machine works exactly like a calculator. The innkeeper wanted to add several three-digit natural numbers on his own. On the first attempt, he got the result in 2224. To check, he added these numbers again and he got 2198. Therefore, he a
  • The ratio
    numbers2 The ratio of two numbers is 4, and their sum is 75. Determine both numbers.
  • Two numbers 7
    numbers The sum of two consecutive even numbers is 30. Find the numbers.
  • Six-sided polygon
    hexagon-irregular In a six-sided polygon. The first two angles are equal, the third angle is twice (the equal angles), two other angles are trice the equal angle, while the last angle is a right angle. Find the value of each angle.
  • Two equations
    children Solve equations (use adding and subtracting of linear equations): -4x+11y=5 6x-11y=-5
  • Chocholate pyramid
    pyramid_choko How many chocolates are in the third shelf when at the 8th shelf are 41 chocolates in any other shelf is 7 chocolates more the previous shelf.
  • Algebrogram
    numbers Solve algebrogram for sum of three numbers: BEK KEMR SOMR ________ HERCI
  • Two numbers
    third The sum of two numbers is 1. Identify this two numbers if you know that the half of first is equal to the third of second number.
  • Landlord
    dukaty Landlord had 49 ducats more than Jurošík. How many ducats Jurošík steal landlord if the Jurošík now 5 ducats more?
  • Three ints
    2016_hny The sum of three consecutive integers is 2016. What numbers are they?
  • Crates 2
    bedny In 6 crates is 45 kg of apples In  5 crates is equally In 1 in crate is 3 kg more How many kilograms in each crate?
  • Three numbers
    numbers Find three numbers so that the second number is 4 times greater than the first and the third is lower by 5 than the second number. Their sum is 67.
  • Internal angles IST
    licho Determine internal angles of isosceles trapezium ABCD /a, c are the bases/ and if: alpha:gamma = 1:3
  • Workhorses
    work A team of colleagues done the work in 20 days. After adding 2 colleagues from the beginning the work was completed in 15 days. How many members has the colleague team?

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