Percent Change & Error
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
Mary currently weighs 150 pounds. Before her diet she weighed 180 pounds. What is the percent of change in her weight?
Back
17% Decrease
2.
FLASHCARD QUESTION
Front
A school's population increased from 1250 to 2000 students. What was the percent of increase?
Back
60%
3.
FLASHCARD QUESTION
Front
Last week, the price of American cheese was $5 per pound. This week, it costs $6 per pound. What is the percent change?
Back
Increase 20%
4.
FLASHCARD QUESTION
Front
An online auction started the bid on an item at $20. The item sold for $50. What was the percent increase to the nearest percent?
Back
150%
5.
FLASHCARD QUESTION
Front
Estimate: 135 texts; Actual: 108 texts. What is the percent error?
Back
25%
6.
FLASHCARD QUESTION
Front
Estimate: 200 people attend a concert. Actual attendance: 240. What is the percent error?
Back
16.7%
7.
FLASHCARD QUESTION
Front
In 1999, the price of unleaded fuel was $1.09. In 2015, the price of unleaded fuel is $1.89. What is the percent change?
Back
73% increase
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