Ratios and Proportions

What is the ratio of 8 to 12 in simplest form?

If 3/4 of a number is 12, what is the number?

Identify the equivalent ratio of 2:5.

If a recipe requires 2 cups of flour for every 3 cups of sugar, how much flour is needed for 9 cups of sugar?

Convert the ratio 5:8 into a fraction.

If 4: x = 12: 18, what is the value of x?

Which of the following is an equivalent ratio to 6:9? (a) 2:3 (b) 4:5 (c) 1:2

A map has a scale of 1:100,000. If two cities are 5 cm apart on the map, what is the actual distance between them?

If the ratio of boys to girls in a class is 3:4 and there are 21 boys, how many girls are there?

Convert the fraction 3/5 into a ratio.