Precents and Proportions Test

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate the sale price after a discount?

Back

Sale Price = Original Price - (Original Price × Discount Rate)

Front

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

Back

Percentage = (Part / Whole) × 100

Front

If a video game costs $25.95 and is 25% off, what is the discount amount?

Back

Discount Amount = $25.95 × 0.25 = $6.4875, rounded to $6.49.

Front

How do you find what percent one number is of another?

Back

Percent = (Part / Whole) × 100. For example, to find what percent 92 is of 138, use (92 / 138) × 100.

Front

What does it mean if 95% of students will attend a field trip?

Back

It means that out of 100 students, 95 are expected to go on the trip.

Front

How do you round a number to the nearest cent?

Back

Look at the third decimal place: if it's 5 or more, round up; if it's less than 5, round down.

Front

What is the first step in solving a percent problem?

Back

Identify the whole and the part you are comparing to the whole.

Front

If a pair of boots costs $94.99 and is 35% off, how do you find the sale price?

Back

First, calculate the discount: $94.99 × 0.35 = $33.245. Then subtract the discount from the original price: $94.99 - $33.245 = $61.745, rounded to $61.74.

Front

What is the grade percentage if a student answers 6 out of 24 questions correctly?

Back

Grade Percentage = (6 / 24) × 100 = 25%.