12.4.24 Proportions Activator

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then solve for the unknown variable.

Front

If a car travels 280 miles in 7 hours, how far will it travel in 12 hours?

Back

480 miles

Front

What is the formula for finding the unit rate?

Back

The unit rate is found by dividing the quantity by the number of units, expressed as 'quantity per unit'.

Front

What does it mean if two quantities are directly proportional?

Back

If two quantities are directly proportional, as one quantity increases, the other quantity increases at a constant rate.

Front

Back

m = 42

Front

If hamburger sells for 3 pounds for $6, how much will 10 pounds cost?

Back

$20

Front

What is the relationship between the size of a bottle and the duration of its contents?

Back

Larger bottles typically last longer if the usage rate remains constant.

Front

If a 12-ounce shampoo bottle lasts 16 weeks, how long would an 18-ounce bottle last?

Back

24 weeks

Front

How do you find the total production time for a certain number of items?

Back

Divide the total number of items by the production rate per time period.