GCEMathematicsNumber and Numeration2020

A sum of money is shared among Ade, Bola, and Chidi in the ratio 3:5:7. If Bola receives ₦15,000 more than Ade, how much does Chidi receive?

A₦22,500
B₦26,250
C₦37,500
D₦52,500CORRECT
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Why the answer is D, and why the others tempt you.
The difference between Bola's and Ade's ratio parts is 5 − 3 = 2 parts, and this equals ₦15,000, so 1 part = ₦7,500. Chidi's share is 7 parts = 7 × ₦7,500 = ₦52,500. Options A and B result from arithmetic errors in determining the unit value, while C (₦37,500) is actually Bola's share.
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