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JAMB Mathematics 2015 Paper

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Question : 4

Total: 61

If three staff of Myschool Limited agreed to share their salary arrears in the ration of their ages, which are 18 years, 20 years, 22 years respectively. If the sum of the money collected is N120,000.00K, How much does the second staff received?

N36,000
N44,000
N40,000
N15,000

Solution:

Concept:

Money is shared in the ratio of their ages, so the second staff receives the fraction

\frac{20}{60}

of the total amount.

Explanation:

The ages are

18

,

20

, and

22

.

Total ratio parts:

18 + 20 + 22 = 60

.

The second staff corresponds to

20

parts out of

60

.

Amount received:

\frac{20}{60} \times 120{,}000 = 40{,}000

.

Thus, the second staff receives ₦40,000.00K.

Answer:

C. ₦40,000

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