a calculator is sold for rupees 345 at a profit of 15% find the cost price at a at the calculator at what price must be sold to earn
a profit of 25% question.
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Answered by
21
Step-by-step explanation:
SP=345,Gain=15%
CP=100/100+Gain×SP
=100/100+15×345
=100/115×344
=300Ans....
Now SP of calculator after 25%
Gain=25% of CP
= 25/100×300
=25×3
=75
SP=Gain+CP
=75+300
=375Ans...
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4
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