Question

The cost of 3 envelopes is ₹ 36. The cost of 15 envelopes is

Answer 1

Answer:

3 envelopes costs rs. 36

so, I envelope costs rs. 36/3= rs. 12

so, 15 envelopes cost rs. 12×15= rs. 180

pls mark me as the brainliest

Answer 2

Given: Cost of 3 envelopes= $Rs. 36$

To find: Cost of 15 envelopes.

Step-by-step explanation:

$Cost$  $of$ $3$ $envelopes$ $= Rs. 36$

$Cost$ $of$ $1$ $envelope$ $= Rs.(\frac{36}{3})$

                              $= Rs. 12$

$Cost$ $of$ $15$ $envelopes$ $= Rs.(12*15)$

                                  $= Rs.180$