What is the formula to calculate percent of change?
7RP3 Flashcard Review

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
Back
Percent of Change = (New Value - Old Value) / Old Value * 100
2.
FLASHCARD QUESTION
Front
If a ticket price increases from $100 to $120, what is the percent of change?
Back
20%
3.
FLASHCARD QUESTION
Front
What is sales tax?
Back
A tax imposed on sales of goods and services, calculated as a percentage of the sale price.
4.
FLASHCARD QUESTION
Front
If Ricky bought jeans for $35 and the sales tax is 7.5%, how do you calculate the sales tax amount?
Back
Sales Tax = Price * Tax Rate = $35 * 0.075 = $2.63
5.
FLASHCARD QUESTION
Front
What is the formula for calculating simple interest?
Back
I = PRT, where I = Interest, P = Principal, R = Rate, T = Time.
6.
FLASHCARD QUESTION
Front
Calculate the interest for a principal of $1000 at a rate of 6% for 2 years.
Back
$120
7.
FLASHCARD QUESTION
Front
What is a commission in sales?
Back
A commission is a fee paid to an employee based on the sales they generate.
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