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Kurt and Maria’s high school is having a newspaper drive.The goal is to collect 3,585 pounds of newspapers. So far, 21% of the goal has been reached.

Kurt estimated the number of pounds of newspapers collected by finding 10% of 3,600 and then multiplying the result by 2.

Maria estimated the number of pounds of newspapers collected by finding One-fifth of 3,600.

Who is right, and why?

Neither Kurt nor Maria is right, because 3,500 should be used instead of 3,600.
Kurt is right, because finding One-fifth of 3,600 is not a good way to approximate 21% of 3,585.
Maria is right, because finding 10% of 3,600 and multiplying the result by 2 is not a good way to approximate 21% of 3,585.
Both Kurt and Maria are right, because 3,585 should be rounded up to 3,600, and 21% of this amount can be approximated by either finding 10% of 3,600 and multiplying the result by 2 or by finding One-fifth of 3,600.​

User Haryono
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2 Answers

3 votes

Answer:

Both Kurt and Maria are right, because 3,585 should be rounded up to 3,600, and 21% of this amount can be approximated by either finding 10% of 3,600 and multiplying the result by 2 or by finding 1/5 of 3,600.

Explanation:

User ZhangTengyuan
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4 votes

D. Both Kurt and Maria are right, because 3,585 should be rounded up to 3,600, and 21% of this amount can be approximated by either finding 10% of 3,600 and multiplying the result by 2 or by finding 1/5 of 3,600.

User Prathamesh Doke
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4.2k points