What is the formula to calculate the percent of change?
Percents Unit Review

Flashcard
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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Percent of Change = (New Value - Old Value) / Old Value × 100
2.
FLASHCARD QUESTION
Front
If Ron sold $2400 worth of clothing and earned $84 in commission, how do you find the commission rate?
Back
Commission Rate = (Commission Earned / Total Sales) × 100
3.
FLASHCARD QUESTION
Front
What is 6.75% as a decimal?
Back
0.0675
4.
FLASHCARD QUESTION
Front
How do you calculate the total cost including sales tax?
Back
Total Cost = Price + (Price × Sales Tax Rate)
5.
FLASHCARD QUESTION
Front
What is the simple interest formula?
Back
Simple Interest = Principal × Rate × Time
6.
FLASHCARD QUESTION
Front
If Ralph buys a computer for $675 and the sales tax is 6%, how much is the sales tax?
Back
Sales Tax = $675 × 0.06 = $40.50
7.
FLASHCARD QUESTION
Front
What is 35% of 200?
Back
35% of 200 = 0.35 × 200 = 70
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