Question

Find CP when : SP = ₹ 720. 80 and gain = 6%​

Answer 1

Answer:

CP=680 rupees

Step-by-step explanation:

let the CP be x

6% of x+x=720.80

6/100×x+x=720.80

3x/50+50x/50=720.80

53x/50 =720.80

53x =720.80×50=36040

x =36040/53

x = 680