Unit 3 test 2 Review 24-25

Front

What is the total number of boxes of flooring needed if 10 1/2 boxes cover 2/3 of the room?

Back

16 boxes of flooring are needed for the entire room.

Front

If the scale on a map is 2 inches : 40 miles, what is the actual distance for 4.125 inches?

Back

The actual distance is 82.5 miles.

Front

What does it mean when $500 is earned for every 8 hours worked?

Back

This represents a unit rate of $62.50 per hour.

Front

How do you find the constant of proportionality in a distance-time problem?

Back

Divide the distance by the time. For example, 7 miles in 2 hours gives a constant of proportionality of 3.5 miles per hour.

Front

Which store has the better deal: 6 candy bars for $5.82 or 9 candy bars for $7.92?

Back

Store B has the better deal; 9 candy bars for $7.92.

Front

What is the formula to calculate the unit rate?

Back

Unit rate = Total amount / Number of units.

Front

If a car travels 150 miles in 3 hours, what is the speed of the car?

Back

The speed is 50 miles per hour.

Front

What is the relationship between distance, rate, and time?

Back

Distance = Rate × Time.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What is the meaning of proportionality in mathematics?

Back

Proportionality means that two quantities increase or decrease at the same rate.