Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as 'k'. It remains constant as the values change.

Front

If a car travels 90 miles in 2 hours, what is the constant of proportionality in miles per hour?

Back

45 mph

Front

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

Back

$6.80 per hour

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute

Front

Identify the constant of proportionality if y = 5x.

Back

k = 5

Front

What is the unit rate if a recipe requires 3 cups of flour for 12 cookies?

Back

0.25 cups of flour per cookie

Front

If a car travels 135 miles in 3 hours, what is the speed in miles per hour?

Back

45 mph

Front

What is the constant of proportionality in the equation y = 3x?

Back

k = 3

Front

If a person can read 60 pages in 2 hours, what is their reading rate in pages per hour?

Back

30 pages per hour

Front

What is the unit rate if 4 apples cost $2?

Back

$0.50 per apple