Unit rates and percentages

Practice sheet

Fresh questions from the whole chapter, to do on paper.

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  1. How many inches are in 5 feet? (1 foot = 12 inches)
  2. How many meters are 600 centimeters? (1 m = 100 cm)
  3. A rope is 11 yards and 2 feet long. How long is it in feet? (1 yard = 3 feet)
  4. 4 pounds of apples cost 20 dollars. What is the price per pound (dollars)?
  5. A car travels 175 miles in 5 hours at a constant speed. How far does it go in 9 hours?
  6. Store A sells 2 notebooks for 8 dollars. Store B sells 11 for 66 dollars. What is the lower price per notebook (dollars)?
  7. Each cubic centimeter of a metal has a mass of 5 grams. What is the mass, in grams, of a piece with a volume of 6 cm³?
  8. A stone has a mass of 8 grams and a volume of 4 cm³. What is the mass of 1 cm³ of the stone, in grams?
  9. Block A has a mass of 108 g and a volume of 27 cm³. Block B has a mass of 12 g and a volume of 2 cm³. Which block is made of the denser material (more grams per cm³)?
    1. Block B
    2. Block A, because it has the greater mass
    3. Neither: the masses tell us nothing about it
  10. What is 50% of 340?
  11. What percent of 140 is 7?
  12. 60% of a number is 228. What is the number?