Compound Interest, Percentages, and Ratios
Authored by Ben Passmore
Mathematics
9th Grade
Used 2+ times
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6 questions
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1.
MATH RESPONSE QUESTION
3 mins • 3 pts
Hamish buys a car for $20 000. The car depreciates in value by 19% every year.
How many dollars is the value of the car after 3 years, to the nearest dollar?
Mathematical Equivalence
OFF
2.
MATH RESPONSE QUESTION
3 mins • 3 pts
Ian invested some money at 3% per annum compound interest. After 2 years, he had £2652.25.
How many pounds did he invest?
Mathematical Equivalence
OFF
3.
MATH RESPONSE QUESTION
3 mins • 3 pts
The normal price of a television is reduced by 30% in a sale.
The sale price of the television is $350.
How many dollars was the television originally?
Mathematical Equivalence
OFF
4.
MATH RESPONSE QUESTION
3 mins • 3 pts
A rectangle has length 60cm and width 40cm.
The length is decreased by 15%.
The width is decreased by 10%.
How many cm2 is the new area of the rectangle?
Mathematical Equivalence
OFF
5.
MATH RESPONSE QUESTION
5 mins • 4 pts
Mathematical Equivalence
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6.
FILL IN THE BLANK QUESTION
3 mins • 5 pts
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