Question

If the ratio of cost price and the selling price is 5:7, then the profit/ gain _ percentage​

Answer 1

Step-by-step explanation:

ok in this question we see that the ratio is 5/7 so you see that cost price is less than selling price means there is profit

so Profit%= profit/cp×100

profit = 7-5=2

2/5×100

20×2=40

so the

profit percent is 40%

Answer 2

Answer:

Profit is 40 %.

Step-by-step explanation:

Given that

The ratio of cost price and the selling price is 5:7.

Cost price = CP

Selling price = SP

Profit = P

Loss = L

We know that

SP = CP + P or L

$P\ or\ L=\dfrac{SP - CP}{CP}$

$P\ or\ L=\dfrac{SP }{CP}-1$

Given that

CP/SP= 5/7

SP/CP = 7/5

Now by putting the values in above equation

$P\ or\ L=\dfrac{7 }{5}-1$

$P\ or\ L=\dfrac{2 }{5}$

This is positive quantity is means that it is profit (P).If it come out negative then it will be loss(L).

$P=\dfrac{2 }{5}$

P = 0.4

P = 40 %

It means that profit is 40 %.