every month Rita buys milk for rupees 810 .when the price of milk went up by 12.5% she had to reduce her monthly consumption of milk so that she spends the same amount. by what percentage should reduce her consumption of milk?
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Answered by
30
(old )cost of milk= 810
% at which the price of milk went up=12.5%
(new) cost of milk=810*125/1000
=81*125/100
=101.25 rupees
new cost =810+101.25
=911.25 rupees.
% by which she should reduce the consumption of milk=x*100/911.25=810
=8%
% at which the price of milk went up=12.5%
(new) cost of milk=810*125/1000
=81*125/100
=101.25 rupees
new cost =810+101.25
=911.25 rupees.
% by which she should reduce the consumption of milk=x*100/911.25=810
=8%
Answered by
6
Answer:
old )cost of milk= 810
% at which the price of milk went up=12.5%
(new) cost of milk=810*125/1000
=81*125/100
=101.25 rupees
new cost =810+101.25
=911.25 rupees.
% by which she should reduce the consumption of milk=x*100/911.25=810
=8%
Step-by-step explanation:
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