Unit 4 Percents Review (2024)

Front

What is the equation that represents the relationship between the packs of gum Alex purchased (x) and the packs of gum Mike purchased (y) if Mike purchased 2/3 more than Alex?

Back

y = 5/3x

Front

If a pair of jeans is on sale for $55.25 after a 35% discount, what was the regular price of the jeans?

Back

$85

Front

What equation relates the cost (c) and the pounds of apples (p) if apples cost $1.99 per pound?

Back

c = 1.99p

Front

How do you calculate the speed of a car in miles per hour if it drove 26 miles in 0.8 hours?

Back

Speed = Distance / Time = 26 miles / 0.8 hours = 32.5 miles per hour

Front

How do you calculate the percent depreciation of a car that was bought for $28,000 and is now worth $15,400?

Back

Percent Depreciation = ((Original Price - Current Price) / Original Price) * 100 = ((28000 - 15400) / 28000) * 100 = 45%.

Front

What does it mean when a price is marked down by a certain percentage?

Back

It means the original price is reduced by that percentage, resulting in a sale price.

Front

What is the formula to find the percent of a number?

Back

Percent = (Part / Whole) * 100.

Front

If you have a total of 100 apples and you sell 25, what percent of the apples did you sell?

Back

25%.

Front

What is the relationship between fractions and percents?

Back

A percent is a fraction out of 100. For example, 25% is equivalent to 25/100.

Front

How do you convert a fraction to a percent?

Back

Multiply the fraction by 100.