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 went up by 10%. Their new ratio is now
-
A.
40r:50t -
B.
44r : 50t -
C.
50r : 44t -
D.
44r:55t -
E.
55r:44t
Correct Answer: Option C
Explanation
Ratio of bread to sugar = r:t
25% increase in bread = (frac{125r}{100})
10% increase in sugar = (frac{100t}{100})
New ratio = (frac{125r}{100}):(frac{110t}{100})
= 25r:22t
= 50r:44t