Equation - 7th grade (12y) - math problems - page 24

  1. A number
    number_line_4 A number increased by 7.9 is 8.3
  2. MG=7x-15,
    segment_6 MG=7x-15, FG=33, x=? Point M is the midpoint of FG. Find unknown x.
  3. Which
    plusminus_11 Which decimals when subtracted equal 3.89: a - b = 3.89
  4. The quotient
    12466 The quotient of g and 55 is the same as 279. What is g?
  5. Find unknown
    eq222_26 Find unknown numerator: 4/8 + _/8 = 1
  6. Given
    1998-4b Given 2x =0.125 find the value of x
  7. Eqn
    fractal_16 Solve equation with fractions: 2x/3-50=40+x/4
  8. 1.5 divided
    eq2_3 1.5 divided by 1 = w divided by 4
  9. Mother and daughter
    clocks2 Mother is 44 years old, her daughter 14. How many years ago was her mother four times older than her daughter?
  10. Wood dividing
    meter_23 Which equation calculates the number of 1/3-foot pieces that can be cut from a piece of wood that is 7 feet long?
  11. Midpoint 5
    segment_4 FM=3x-4, MG=5x-26, FG=? Point M is the midpoint of FG. Use the given information to find the missing measure or value.
  12. Midpoint 6
    segment_5 FM=8a+1, FG=42, a=? Point M is the midpoint of FG. Find unknown a.
  13. Far country
    dukat_2 In a country far away, the value of 3 pesos is 12 centavos more than the value of 1 peso. How many centavos is 1 peso worth?
  14. Find midpoint
    midpoint FM=5y+13, MG=5-3y, FG=? M is the midpoint of FG. Use the given information to find the missing measure or value.
  15. Examination 2
    test In an examination, a teacher awards 2 marks for every correct answer and subtract a mark for every wrong answer. If there are 20 questions and a child scored 25 marks how many correct answer did the child get?
  16. Missing number
    fractions Blank +1/6 =3/2 find the missing number
  17. Bag of peanuts
    oriesky Joe eat 1/3 of a bag of peanuts, mark eat 1/4 of the remaining in the bag of peanuts, Alvin eat 1/2 of the remaining bag of peanuts, peter eat 10 peanuts, there are 71 peanuts left. Hon many peanuts were in the bags?
  18. One third
    one-third If 3/5 is 360, how much is 1/3?
  19. Eq-frac
    fractions14 Solve the following equation with fractions: h + 1/3 =5/3
  20. Fraction + eq
    eq1 Solve following simple equation with fractions: -5/6(8+5b) = 75 + 5/3b

Do you have an interesting mathematical word problem that you can't solve it? Enter it, and we can try to solve it.

To this e-mail address, we will reply solution; solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?