Question

The cost of 5pens is 30, then the cost of 15 pens is ?​

Answer 1

Answer:

cost of 5 pens=30

therefore, cost of 1 pen =30/5

=6

therefore, cost of 1 pen is 6

now,

cost of 15 pens= 15×6

therefore, cost of 15 pens is 90

pls mark my answer as brainliest

Answer 2

Answer:

cost of 5 pens is 30

15 pens =?

1 pen = 30/5

= 6

15 pens = 15 × 6

=90

therefore, 15 pens = 90