passpadi

2019

Mathematics

JAMB

Evaluate (6/0.32÷2/0.084 )(-1) correct to 1 decimal place.

A.

1.3

B.

2.5

C.

4.6

D.

3.2

Correct Answer: 1.3

Explanation

(6/0.32 ÷ 2/0.084)−1 = (600/32 ÷ 2000/84)−1 = (600/32×84/2000)−1 = (63/80)−1 = 80/63 = 1.3 (to 1 decimal place)

(6/0.32 ÷ 2/0.084)−1 = (600/32 ÷ 2000/84)−1 = (600/32×84/2000)−1 = (63/80)−1 = 80/63 = 1.3 (to 1 decimal place)
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