Question

By selling a bedsheet for rs 640 a shopkeeper earns a profit of 28%. How much did it earns it cost the shopkeeper?

Answer 1

Let the cost price be Rs x
profit = x * 28/100
         = 7x /25
Selling price =x + 7x/100
                     = 32x/25
    32x/25 = 640
    x = 640*25/32
    x= 20*25
    x= 500
Cost price is Rs 500

Answer 2

Answer:

Given:

By selling a bed sheet for rupees 640 A shopkeeper earns a profit of 28%

Find:

how much did it cost the shopkeeper.

Calculation:

$\sf\frac{128}{100} \times x = 640$

Let x be the cost price of bed sheet.

$\sf x = 640 \times \frac{100}{128}$

$\sf x = 500 Rs$

Therefore, 500 is the cost of shopkeeper.