Question

14. By selling a watch for 2700 Rahul would
incur a loss of 10%. If he wants to make
a 15% profit, for how much should he sell
the watch?

Answer 1

Step-by-step explanation:

$\implies$ $CP={\Large\frac{100}{100-L}}×SP$

$\implies$ $CP={\Large\frac{100}{100-10}}×2700$

$\implies$ $CP={\Large\frac{100}{90}}×2700$

$\implies$ $CP=3,000$

Now use the CP, to find new SP :

$\implies$ $SP={\Large\frac{100+15}{100}}×3,000$

$\implies$ $SP={\Large\frac{115}{100}}×3,000$

$\implies$ $\large\boxed{SP=3,450}$

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