Which statement about the best estimation strategy for this problem is correct? Ms. Levy paid $189 for a hotel room and she bought two concert tickets priced at $99 each. How much money did Ms. Levy spend altogether? A student answered that Ms. Levy spent $576. A. ($200 + $100) * 2 = t The student's answer was reasonable. B. $200 + (2 * $100) = t The student's answer was not reasonable. C. $200 + ($100 : 2) = t The student's answer was not reasonable. D. ($200 * 2) + $100 = t The student's answer was not reasonable.

Question

Mathematics

Charlee Huynh

16 August, 17:25

Which statement about the best estimation strategy for this problem is correct? Ms. Levy paid $189 for a hotel room and she bought two concert tickets priced at $99 each. How much money did Ms. Levy spend altogether? A student answered that Ms. Levy spent $576. A. ($200 + $100) * 2 = t The student's answer was reasonable. B. $200 + (2 * $100) = t The student's answer was not reasonable. C. $200 + ($100 : 2) = t The student's answer was not reasonable. D. ($200 * 2) + $100 = t The student's answer was not reasonable.

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Answers (1)

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Aubrey · Answer 1

B. 200 + (2 x $100) = t The student answer was not reasonable.

Because she spent $200 on the hotel which $189 rounded is $200.

$100 x 2 is 200 which is two $99's rounded (198)

Take 200 + 200 and you get 400.

For a bit of extra info she would have spent $400 rounded and $387 non-rounded.