The cost of food accounted for 25% of the income of a particular family. If the income gets raised 20%. Then what should be the percentage decrease in the food expenditure as percentage of the total income to keep the food expenditure unchanged between the two year
A. 3.5
B. 8.34
C. 4.16
D. 5
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The income goes to 120.
Food expenditure has to be maintained at 25.(ie. 20.833%)
Hence, percentage point drop from 25 to 20.833
is 4.16%
b. *.34