Percent Unit Review

Percent Unit Review

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula to calculate the final cost of an item after a discount and sales tax?

Back

Final Cost = (Original Price - Discount) + Sales Tax

2.

FLASHCARD QUESTION

Front

How do you calculate the percentage decrease in price?

Back

Percentage Decrease = ((Original Price - New Price) / Original Price) * 100

3.

FLASHCARD QUESTION

Front

What is simple interest and how is it calculated?

Back

Simple Interest = Principal × Rate × Time

4.

FLASHCARD QUESTION

Front

If an item is on sale for a certain percentage off, how do you find the sale price?

Back

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

5.

FLASHCARD QUESTION

Front

What does a 5% interest rate mean in terms of earnings on a deposit?

Back

It means for every $100 deposited, $5 will be earned in interest per year.

6.

FLASHCARD QUESTION

Front

How do you find the interest rate if you know the interest earned, principal, and time?

Back

Interest Rate = (Interest Earned / (Principal × Time)) × 100

7.

FLASHCARD QUESTION

Front

What is the relationship between principal, interest rate, and time in simple interest?

Back

The total interest earned is directly proportional to the principal amount, interest rate, and time.

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