Math Ratio Hard

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 solve a ratio problem?

Back

To solve a ratio problem, you can set up a proportion based on the given ratios and use cross-multiplication to find the unknown quantity.

Front

If the ratio of boys to girls is 4:5 and there are 12 boys, how many girls are there?

Back

15 girls.

Front

What is the formula to find the total parts in a ratio?

Back

Add the parts of the ratio together. For example, in a ratio of 4:5, the total parts are 4 + 5 = 9.

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

If a recipe calls for 7 cups of flour for 3 pies, how much flour is needed for 12 pies?

Back

28 cups of flour.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

In a bag of Jolly Ranchers, if the ratio of blue to red is 3:4 and there are 56 candies, how many are blue?

Back

24 blue Jolly Ranchers.

Front

If the ratio of brownies to cookies is 3:5 and there are 75 cookies, how many brownies are there?

Back

45 brownies.

Front

What is a tape diagram?

Back

A tape diagram is a visual model that uses rectangles to represent ratios and can help in solving ratio problems.