Unit 3 Review

Front

Write the equation for the relationship between y and x if y increases three times as x increases.

Back

y = 3x

Front

What is the percentage equivalent of 0.08?

Back

8%

Front

What percent of 70 is 21?

Back

30%

Front

What happens to the price when a discount is applied?

Back

Discount is subtracted from the price.

Front

If 2 apples cost $20, how much do 5 apples cost?

Back

$50

Front

What is the formula to calculate the percentage of a number?

Back

(Part/Whole) x 100

Front

Define 'discount'.

Back

A reduction in the price of an item.

Front

How do you convert a decimal to a percentage?

Back

Multiply the decimal by 100.

Front

What is the relationship between multiplication and division in terms of fractions?

Back

Multiplication is used to find a part of a whole, while division is used to split a whole into equal parts.

Front

If a shirt originally costs $40 and is on sale for $30, what is the discount?

Back

$10