waecmaths question:
A seller allows 20% discount for cash payment on a marked price of his goods. What is the ratio of the cash payment to the marked price
Option A:
1: 4
Option B:
1:5
Option C:
3:4
Option D:
4:5
waecmaths solution:
Let the marked be x
20% of the marked price will be 0.2x, those paying cash, will pay x – 0.2x = 0.8x
The ratio of cash to the marked price will be
0.8x : x
4 : 5
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