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Question
Which of the following expressions is equal to −30
Options
−20 – (−5 × 2)
(6 × 10) – (6 × 5)
(2 × 5) + (4 × 5)
(−6) × (+5)
Solution
(– 6) × (+5)
Explanation;
Hint:
(i) – 20 + (10) = –10
(ii) 60 – 30 = 30
(iii) 10 + 20 = 30
(iv) (– 6) × (+5) = – 30
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