- 7th grade (12y) - math problems

Number of problems found: 2730

  • Unit cost
    paper Last Friday, the Math Society sold newspapers to raise money. Each pack weighed 65.5 kg and sold for 281.65 pesos. How much was the cost per kilogram?
  • Mass fraction
    cukr 2 teaspoons (24 g) of sugar are dissolved in a cup with 500 g of tea. Calculate the weight fraction of sugar in the tea.
  • When 5
    fractions When 5 is subtracted from both my numerator and denominator I become 3/4. What fraction i am?
  • A plumber
    pipe1 A plumber has the following lengths of PVC: 3.3 ft, 9.77 ft, 8.41 ft, 9.61 ft, 8 ft. What is his average length of PVC
  • Alexandra
     rectangular quilt Alexandra made a rectangular quilt the measured 3 1/4. 2 3/4 feet in width. What is the area of the quilt in square feet? Write an equation to solve.
  • Frame image
    picture_frame Peter wants to put a picture in a frame. The picture is 7 3/5 cm wide. To fit in the picture frame cannot be more than 7 3/10 cm wide. How much should the image be trimmed?
  • A rectangle 7
    rectangles A rectangle that has been split into 24 parts, set in 4 rows of 6 parts each. The parts in the top 3 rows have been shaded blue. The parts in the left 5 columns have been shaded purple. The first 5 parts in the top 3 rows are striped to show they are shad
  • Three integers
    plusminus Three consecutive integers add up to 51. what are these integers?
  • Original number
    eq1 Joe divided a number by 2 1/4 to get 2/3. What was the original number?
  • Parallogram
    tiles2 Parallogram base is 24 cm and high 10 cm. How many such tile are required to cover a floor of area 1080m2?
  • The product 2
    rectangle The product of two functions is 10. If one of them is 2 1/3, find the other one.
  • Multiplicative inverse
    inverse Explain why the reciprocal of - 1 1/17 is the multiplicative inverse of - 17/18.
  • Fraction equation
    eq1 Ex over four is equal to two and one-fifth times ex plus three over ten. What is ex>
  • Simplify expression with mixed
    mixed_fractions When (7¹/3 + 2¾)÷(2 + 2¼ × 1¹/3) is simplified the result is?
  • Frac equation v2
    eq1 3.80 is two fifths of a quarter sum of money. How much money is there?
  • Two fraction equation
    ratios Find d value of q in the equation 30/16=q/48.
  • Quotient and division
    seq What is the quotient of 2/9 and 1/8?
  • A class IV.C
    skola In a class 2/5 were boys. 30 were girls. How many more girls than boys are there?
  • Calculate 20
    angles Calculate the sum of 1/5 of a right angle and 3/4 of a right angle and 3/4 of a straight angle
  • Licorice
    licorice A piece of licorice is 2/3 yard long.  If it is cut into 10 equal pieces, how long will each piece of licorice be?

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