Movie tickets are $4 for regular admission and $3 for seniors. On a night where there were 190 people and total sales of $720 ho

Question

2 years ago

8

w many regular admission tickets were sold?
A. 50
B. 150
C. 40
D. 140

2 answers:

labwork [276] · Answer 1 · 2022-05-20T14:11:00+03:00

8 0

Answer is B: 150

write two equations

r+s=190
4r+3s=720

solve by substitution

the get r=150 s=40

Nonamiya [84] · Answer 2 · 2022-05-20T16:25:35+03:00

6 0

Answer:

150

Step-by-step explanation:

So if we rearrange the second equation we can get:

s = 190 - a

Now we substitute this into the first equation:

4a + 3(190 - a) = 720

4a + (570 - 3a) = 720

4a + 570 - 3a = 720

4a - 3a = 720 - 570

a = 150