Fractions with expressions

Jul 2019
1
0
São Paulo, Brazil
We have some discussions about the expression in the picture.

What is the correct answer?
Option d) or option e)?

Please, justify your answer.
 

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skipjack

Forum Staff
Dec 2006
21,468
2,464
Option d is correct.
24 ÷ 8[1 - (-2-4) ÷ 2] = 3[1 - (-6) ÷ 2] = 3[1 + 3] = 12
 
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