Question

Cost of 105 envelopes is rupees 35 how many years can be purchased for rupees 10​

Answer 1

Explanation:

in 1rupee, (105/35) envelope can be purchased

then

in 10 rupees, (105*10)/35 envelopes can be purchased

in 10 rupees, 30 envelopes can be purchased

i hope this will help you