Respuesta :

Answer:

2.10.

Step-by-step explanation:

100 costs 7.00

1 costs  7.00 / 100 = 0.07

30 costs 0.07 *30

=  2.10.

Answer:

Step-by-step explanation:

7.00 / 100 = .07

so that makes each pencil worth .07 cent

.07 * 30 = $2.10

so 30 pencils will cost $2.10