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MATHEMATICS

JAMB 2023 - Question 21

Mathematics 2023 JAMB Past Questions - Question 21: The ratio of the price of a loaf of bread to the price of a packet of sugar, in 1975 was r:t, in 1980 the price of a loaf went up by 25% and that of a packet of sugar by 10%. Their new ratio is now

The ratio of the price of a loaf of bread to the price of a packet of sugar, in 1975 was r:t, in 1980 the price of a loaf went up by 25% and that of a packet of sugar by 10%. Their new ratio is now

A: 44r:50t

B: 50r:44t

C: 44r:55t

D: 40r:50r

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Correct Answer

Explanation

Ratio of bread to sugar = r:t25% increase in bread = 125r/10010% increase in sugar = 100t/100New ratio = 125r/100:110t/100= 25r:22t= 50r:44t