The payment per hour for a daily-wages employee is increased by 33.33 and the working time is reduced by 33.33%. What is the percentage change in the employee's income ?
A) 11.11% decrease
B) 21.11% increase
C) 11.11% increase
D) 21.11% decrease
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Answer:
A) 11.11% decrease
Step-by-step explanation:
It is easier to take values instead of x and y in this type of questions/
Let initial per hour payment be 9 and working time be 9 hours. So income = 9x9 = 81.
Increase of per hour payment to 12 and decrease of 33.33% gives 6 hours.
Final income = 12x6 = 72.
% decrease = 9/81 x 100 = 11.11%
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