7th - Proportionality & Percents Fall 2024 Semester Review

Front

What is the sale price of a jacket originally priced at $120 with a 30% discount?

Back

$84

Front

What does it mean for a table to be proportional?

Back

A table is proportional if the ratio between the two quantities is constant.

Front

What is the constant of proportionality if the ratio is 9?

Back

$9

Front

Write the equation for a proportional relationship where the constant of proportionality is 9.

Back

y=9x

Front

How do you calculate the constant of proportionality from earnings?

Back

Divide the total earnings by the total hours worked.

Front

If Ben earns $41 for 4 hours, what is his hourly rate?

Back

$10.25 per hour

Front

How do you convert months to years when calculating simple interest?

Back

Divide the number of months by 12.

Front

What is the formula for calculating simple interest?

Back

Simple Interest = Principal × Rate × Time

Front

If a jacket is on sale for 30% off, how do you find the sale price?

Back

Multiply the original price by 0.30 to find the discount, then subtract that from the original price.

Front

What is a proportional relationship?

Back

A relationship where two quantities increase or decrease at the same rate.