Question

3. Find CP, when
(a) SP = ₹428, Profit = 7%
(b) SP =₹630.30, loss =4.5%
pls explain it step by step pls pls ​

Answer 1

Step-by-step explanation:

(a) SP = ₹428, Profit = 7%

Answer 2

Answer:

a)- CP= 100/100+ Profit

CP = 100/100+7 * 428

CP = 100/107 * 428

CP = 400

B )- 660