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.

is should be y = 5x

step-by-step explanation:

correct me if im wrong

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.