Question

if the cost price of 21 cell phones is equal to selling price of 18 cell phones, find the profit percent with explanation ​

Answer 1

Answer:

heya mate here's your answer...

CP of 21 cell phones = SP of 18 cell phones

let the CP of 21 cell phones be 21rs.

let the SP of 18 cell phones be 18rs.

profit is the difference of 21 and 18

that's 3

profit% =

$\frac{gain}{cp} \times 100$

$\frac{3}{21} \times 100$

$\frac{100}{7}$

14.28%

Answer 2

The profit% is 16.67%

Step-by-step explanation:

Let the cost price of 1 cell phone be Re.1

Cost price of 21 cell phones = Rs.21

Cost Price of 18 cell phones = Rs.18

Cost price of 21 cell phones is equal to selling price of 18 cell phones

Cost Price of 21 cell phones = SP of 18 cell phones = Rs.21

So, Cost Price of 18 cell phones = Rs.18

SP of 18 cell phones = Rs.21

SP>CP

So, Profit

Profit% =$\frac{SP-CP}{CP} \times 100$

Profit% = $\frac{21-18}{18} \times 100$

Profit% = 16.67%

Hence The profit% is 16.67%

#Learn more:

If a cost price of 10 pens is equal to the selling price of 8 pens the gain percentage is?​

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