Aband is performing at an auditorium for a fee of $1500. in addition to this fee, the band receives 30% of
each $20 ticket sold. the maximum capacity of the auditorium is 800 people.
a. write an equation that represents the band's revenue r when x tickets are sold.
an equation is r=
b. the band needs 5000 for new equipment so how many tickets need to b sold in order to get enough koney to buy the equipment.

A.

B. 584

Step-by-step explanation:

A band is performing at an auditorium for a fee of $1500.

In addition to this fee, the band receives 30% of each $20 ticket sold. Let x be the number of tickets sold, then these x tickets cost $20x. Calculate 30% of 20x:

A. The total cost is

The maximum capacity of the auditorium is 800 people, so x≤800.

B. The band needs $5,000 for new equipment so

So, it is enough 584 tickets to be sold.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10