Question

Cost of 5 pens is rs100.select the correct option to find the cost of 7 pens?

Answer 1

Answer:

answer 140

Step-by-step explanation:

First, divide 100 and 5. then you will get the answer 20. then multiply 7 with the number 20

Answer 2

Step-by-step explanation:

cost of 5 pens =100

cost of 1 pen =100÷5

=20

Now,

cost of 7 pens=7×20

=140