The number of people waiting in a line to buy tickets x minutes after a ticket booth opened is given by the expression 70−5x .

What does the value 70 represent?

the number of people in the line when the ticket booth opened

the number of people who bought tickets every minute

the number of minutes it takes to sell all the tickets

the total number of tickets available

the number if people in line when the booth opened.

Step-by-step explanation:

70-5x: the number goes down by 5 people per minute. So for example if it has been 10 minutes, 50 people would’ve been given their tickets.

4

step-by-step explanation:

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.