SOLUTION: the price of a coffee has increased by 25% . what percentage of coffee consumption is to be decreased , so that there would be no increase in the expenditure for a household?
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Question 1055137: the price of a coffee has increased by 25% . what percentage of coffee consumption is to be decreased , so that there would be no increase in the expenditure for a household?
answer is 20% ,but how? Answer by KMST(5328) (Show Source):
You can put this solution on YOUR website! If it used to cost 100 whatevers to buy 100 packs,
at 1 whatever per pack, as the price increases by 25%,
to 1.25 per pack, the same 100 whatevers coffee budget will buy just packs, a decrease of
in the coffee amount you can buy.
