Rate Problems CBC

A bricklayer lays 8 bricks every 12 minutes. How many bricks does he lay per hour?

A car travels 80 km in 90 minutes. What is its speed in km/h?

• $45\ \frac{1}{2}$ km/hr

• $53\ \frac{1}{3}$ km/hr
  

• 60 km/hr

• 89 km/hr

A forestry worker can plant 126 pine seedlings in 40 minutes. How many pine seedlings would he plant in 3 hours?

It takes 5 hours for a person to stack 1080 bales of hay. How long would it take the same person to stack 756 bales?

• 3.3 hours

• 3.5 hours

• 4 hours

• 216 hours

Bill spends $70 out of every $80 he earns. He saves $250 each month. What is his monthly income?

• $3.57

• $285.71

• $2000

• $17 500

For every $15 that a company earned during a charity fund raising, the company kept $12 and the rest was given to charity. How much more did the company keep than give to charity if it gave $1500 to charity?

Gina washes 20 bowls for every 15 bowls that Margaret washes. Both of them wash a total of 210 bowls. How many more bowls does Gina wash than Margaret?

5 cm on a map represents an actual distance of 100 km. What is the actual distance represented by 12 cm on the map?

• 202 km

• 240 km

• 1200 km

• 2000 km

5 cm on a map represents an actual distance of 100 km. What is the distance on the map representing an actual distance of 1260 km?

• 20 km

• 63 cm

• 126 cm

• 252 cm

Here are the rates charged in a parking lot:

First hour or part thereof $3.50

Every subsequent half an hour or part thereof $2.50

Jaclyn parked her car in the parking lot from 10.20 am to 1.30 pm. How much did she pay for the parking charges?