Part to Whole Proportions Word Problems

70% of the students at a school went on a field trip to an Aquarium. If there were 350 students on the trip, how many students attend that school?

A painter has finished painting 45% of a really long fence. If she has painted 90 feet so far, how long is the entire fence?

A fruit stand’s most popular fruit is strawberries, which account for 35% of their total sales. If they usually sell $70 worth of strawberries each day, what would their usual daily income be?

If a car’s gas tank has 15 gallons of gas in it, and the gauge says the tank is 75% full, then how many gallons can the entire tank hold?

Solve the proportion:

• 4

• 8

• 14

• 10

Solve for x 

• x = 1/10

• x = 10

• x = 4

• x = 5

12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 weeks

• 6 weeks

• 30 weeks

• 20 weeks

Hamburger meat sells for $6 for every 3 pounds. If Alicia buys 10 pounds of hamburger meat, how much will she pay?

• $30

• $20

• $60

• $10

8 is what percent of 20?

• 40%

• 20%

• 250%

• 2.5%

18 is 40% of what number?

• 45

• 18

• 7.2

• 40