Question

give me solution plz​

Answer 1

₹10.73

Step-by-step explanation:

let, cost of A = X, then

A/Q,

cost of B = X×102.5% = 1.025X

cost of C = 1.025X×90% = 0.9225X

given, cost of C = ₹9.90

so,

0.9225X = ₹9.90

X ≈ ₹10.73