Name: ______Date: ______Color: ______

Unit 3: Ratios and Proportional Rates

Using Unit Rates

For each of the following problems. Find the unit rate (rounded to hundredths place, write a general formula, and then find the new unit requested.

  1. If a furnace uses 40 gallons of oil in eight days, how many gallons does it use in ten days?
  2. If twenty yards of wire weight 80 pounds, what is the weight of two yards of the same wire?
  3. A twelve ounce bottle of shampoo last Enrique 16 weeks. How long would you expect an eighteen ounce bottle to last him?
  4. About thirteen out of 20 homes have a personal computers. How many computers would you expect to find on a street with 60 homes?
  5. A six ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a ten ounce package?
  6. A grading machine can grade 48 multiple-choice tests in one minute. How much time will a 300 questions test take?
  7. The waiting time to ride a roller coaster is twenty minutes when 150 people are in line. How long will it take if there are 240 people in line?

Name: ______Date: ______Color: ______

Unit 3: Ratios and Proportional Rates

Using Unit Rates

For each of the following problems. Find the unit rate (rounded to hundredths place, write a general formula, and then find the new unit requested.

  1. If a furnace uses 40 gallons of oil in eight days, how many gallons does it use in ten days?
  2. If twenty yards of wire weight 80 pounds, what is the weight of two yards of the same wire?
  3. A twelve ounce bottle of shampoo last Enrique 16 weeks. How long would you expect an eighteen ounce bottle to last him?
  4. About thirteen out of 20 homes have a personal computers. How many computers would you expect to find on a street with 60 homes?
  5. A six ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a ten ounce package?
  6. A grading machine can grade 48 multiple-choice tests in one minute. How much time will a 300 questions test take?
  7. The waiting time to ride a roller coaster is twenty minutes when 150 people are in line. How long will it take if there are 240 people in line?