Question

the cost of 5 envelopes is Rs 15.find the cost of 9 envelopes​

Answer 1

Answer:

Rs.27

Step-by-step explanation:

Cost of 5 envelopes = Rs.15

Cost of 1 envelope = Rs.(15 ÷ 5) = Rs.3

Cost of 9 envelopes = Rs.(3×9) = Rs.27

Answer 2

Answer:

27

Step-by-step explanation:

If 5 envelope's cost is 15 then 9 envelope's cost is 27.