Question

100 pencils cost 7.00 30 pencil cost

Answer 1

Explanation:

7.00 / 100 = .07

so that makes each pencil worth .07 cent

.07 * 30 = $2.10

so 30 pencils will cost $2.10

Answer 2

2.10.

Explanation:

100 costs 7.00

1 costs 7.00 / 100 = 0.07

30 costs 0.07 *30

= 2.10.