Solving Proportions - Word Problems!

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 two ratios and set the products equal to each other.

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.

Front

If 4 cupcakes cost $9, what is the cost of 1 cupcake?

Back

$2.25

Front

If a car can drive 500 miles on 20 gallons of gas, what is the gas consumption per mile?

Back

0.04 gallons per mile.

Front

What is the ratio of yellow skittles to total skittles if 3 out of 8 are yellow?

Back

The ratio is 3:8.

Front

If Sarah used 9 red beads and 12 blue beads, what is the ratio of red to blue beads?

Back

The ratio is 3:4.

Front

How do you find the number of items in a ratio?

Back

Multiply the total number of items by the fraction that represents the part of the ratio.

Front

If the ratio of boys to girls is 1:1 and there are 42 girls, how many boys are there?

Back

42 boys.

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical problem expressed in words, requiring interpretation and problem-solving.