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Where do i put parenthesis to make my answer equal 130 in this problem. 310-20/2(5)+13

1 Answer

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For the answer to be 130, change this....:
310 – 20 ÷ 2 × 5 + 13
....into this:
310 – 20 ÷ 2 × (5 + 13)

310 – 20 ÷ 2 × (5 + 13)
310 – 20 ÷ 2 × 18
310 - 10 x 18
310 - 180
= 130
User Jonathan Chang
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