Question

find the cost Price ? If SP = 4500 and gain= 15%​

Answer 1

Step-by-step explanation:

let cp = x

gain = gain% × cp

= 15/100 ×x = 3x / 20

sp = cp + gain

4500 = x + 3x /20 [ now find lcm]

4500 = (20x + 3x)/20

4500× 20 = 23x

x = 4500× 20 / 23

= 90000/ 23 = 3913.05