Mathematics
Grade 7
15 min
Constant rate of change
Constant rate of change
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1
A car travels 100 miles in 2 hours. Find its speed.
2
A recipe needs 2 cups of sugar for 10 cookies. How much for 15 cookies?
3
A taxi ride costs a $3 flat fee plus $2 per mile. How much for a 5-mile ride?
Sample Practice Questions
Easy
A cyclist travels 40 miles in 2 hours. What is her average speed in miles per hour?
0.20 mph
1.30 mph
2.40 mph
3.80 mph
Easy
You earn $30 for working 3 hours. What is your hourly rate of pay?
0.$5/hr
1.$10/hr
2.$15/hr
3.$90/hr
Easy
A machine makes 2 toys every minute. How many toys does it make in 5 minutes?
0.2 toys
1.7 toys
2.10 toys
3.12 toys
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