Question

8+4/2.5-7

`8 + 4 / 2 * 5 - 7`

Answer 1

The answer is: " 11 " .
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Note: Rewrite as: " 8 + [ (4 ÷ 2) * 5 ] − 7 " ;
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to get: " 8 + [ (2) * 5 ] − 7 " ;

to get: " 8 + 10 − 7 " ;

→ " (8 + 10) − 7 = 18 − 7 = 11 .

The answer is: " 11 " .
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Answer 2

8 + 2 × 5 - 7
8 + 10 - 7
8 + 3
11