6.4B

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you find the equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the formula to calculate the total amount of a mixture?

Back

Total amount = Amount of first component + Amount of second component.

Front

If 5 pints of blue paint and 2 pints of yellow paint make green paint, what is the total amount of green paint produced?

Back

Total green paint = 5 pints (blue) + 2 pints (yellow) = 7 pints.

Front

How do you determine the number of pints of blue paint needed to make a larger amount of green paint?

Back

Use the ratio of blue to total green paint. If 5 pints of blue make 7 pints of green, then for 28 pints of green, calculate: (5/7) * 28 = 20 pints.

Front

What is a proportion?

Back

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

Front

How do you solve for an unknown in a ratio?

Back

Set up a proportion and cross-multiply to solve for the unknown.

Front

What does it mean if the ratio of boys to girls in a club remains the same after more boys join?

Back

It means that the number of girls must increase in the same proportion to maintain the ratio.

Front

If Mike has 6 shirts for every pair of pants, what is the ratio of shirts to pants?

Back

The ratio of shirts to pants is 6:1.

Front

How do you maintain the same ratio when adding more items?

Back

Add the same proportional amount of the other item to keep the ratio consistent.