Q. |
The price of cooking oil increases by 60% and therefore a family decreases its consumption by 20%. By how much percentage will the expenditure on cooking oil change? |
|
A. 38% increase |
|
|
B. 28% decrease |
|
|
C. 18% increase |
|
|
D. 28% increase |
Apply AB Method.
60 - 20 - 60*20/100 = 28%
28% increase