Question

Simplify the following:
40 + [20 – {28 ÷ 7 – 3 + (30 – 5 of 4)}]

Answer 1

Answer:

Step-by-step explanation:

40+[20-{28/7-3+(100)}]

40+[20-{7/7+100)}]

40-80

-40 is the answer

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Answer 2

40 + [20 – {28 ÷ 7 – 3 + (30 – 5 of 4)}]
40 + [20 - {4-3+(30-5 of 4)}]
40 + [20 - {4-3+10}]
40 + [20- 11]
40 + 9
49