7.NS.3

Front

What is fuel efficiency?

Back

Fuel efficiency is a measure of how far a vehicle can travel on a certain amount of fuel, typically expressed in miles per gallon (mpg).

Front

How do you calculate fuel efficiency?

Back

To calculate fuel efficiency, divide the total miles traveled by the total gallons of fuel used.

Front

If a car travels 150 miles using 5 gallons of gas, what is its fuel efficiency?

Back

25 miles per gallon.

Front

What does it mean when we say '40% of a number'?

Back

It means that we are taking 40 parts out of 100 parts of that number.

Front

If 40% of a number is 16, how do you find the number?

Back

Divide 16 by 0.40 to find the number, which is 40.

Front

What is a student-to-teacher ratio?

Back

A student-to-teacher ratio is a measure of the number of students for every teacher in a school.

Front

If a school has a student-to-teacher ratio of 15:1 and there are 45 teachers, how many students are there?

Back

675 students.

Front

What does it mean to find a percentage of a number?

Back

Finding a percentage of a number involves calculating how much that percentage represents in terms of the number.

Front

What is 15% of 200?

Back

30.

Front

How do you calculate a sale price after a discount?

Back

Subtract the discount amount from the original price.