In mrs fishers first pd. class, 7 students did not complete their hw, this was 35% of their class, how many students are in her class?

Mrs Fishers has 20 students in her class.

Step-by-step explanation:

This problem can be written in the proportion = because is 35%, which is equal to because that is also 35%.

= --- write proportion

35x = 700 --- cross multiply (multiply x by 35 and 7 by 100)

x = 20 --- divide both sides by 35.

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99