Front

What is the formula to calculate the cost per gallon of gasoline?

Back

Cost per gallon = Total cost / Number of gallons.

Front

If the total cost for 14 gallons of gasoline is $35.00, what is the cost per gallon?

Back

$2.50

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is often expressed as a quantity per one unit.

Front

If the cost for 14 gallons of gasoline is $35.00, what is the unit rate describing the number of gallons per dollar?

Back

0.4 gallons per dollar.

Front

How do you calculate the weight of Ji-yoon's cousin if she weighs 8.8 kg and her cousin is 1\frac{1}{2} times as heavy?

Back

Cousin's weight = Ji-yoon's weight * 1.5 = 8.8 kg * 1.5 = 13.2 kg.

Front

What is the cost per pound of grapes if Rebecca bought 1.5 pounds for $3.72?

Back

Cost per pound = Total cost / Weight in pounds = $3.72 / 1.5 = $2.48.

Front

How do you convert feet to inches?

Back

Multiply the number of feet by 12 (since 1 foot = 12 inches).

Front

If Mr. Smith uses a 4-foot-long piece of wood and cuts it into 4 equal pieces, what is the length of each piece in inches?

Back

Each piece = (4 feet * 12 inches/foot) / 4 = 12 inches.

Front

What is the process to find the total cost when given the cost per unit and the number of units?

Back

Total cost = Cost per unit * Number of units.

Front

If a car travels 240 miles on 8 gallons of gasoline, what is the miles per gallon (MPG)?

Back

MPG = Total miles / Total gallons = 240 miles / 8 gallons = 30 MPG.