Question

Cost of 100 envelopes is Rs 25.What is the cost of 64 envelopes ??.

Answer 1

Hey mate , here is your answer ....

Cost of 100 envelopes = 25

Cost of 1 envelope = 100 / 25

= 4

Now , Cost of 64 envelopes = 64 × 4

= 256 rs

Hope it helps you mate .... ✌✌

Answer 2

Cost=rate*no. Of envelops

25=rate*100

Rate=0.25

Cost of 64 envelops = no. Of envelops*rate

Cost =0.25*64

Cost =16 Rs