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7 November, 03:37

Solve this problem.

Brianna paid $18.89 for a pair of sandals. She bought a pair of hiking boots that cost $12 more than her sandals. How much did Brianna pay for the two pairs of shoes?

How can estimation be used to make sure the answer is reasonable?

A.

Answer: Brianna paid $42.89.

Estimation: $19 + $12 = $31

$31 + $12 = $43

Brianna paid about $43 for the shoes.

B.

Answer: Brianna paid $25.78.

Estimation: $19 - $12 = $7

$19 + $7 = $26

Brianna paid about $26 for the shoes.

C.

Answer: Brianna paid $49.78.

Estimation: $19 + $12 = $31

$31 + $19 = $50

Brianna paid about $50 for the shoes.

+5
Answers (2)
  1. 7 November, 03:40
    0
    The answer is C it's very easy
  2. 7 November, 04:04
    0
    Im very sure it is C, I'm very positive
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