-3(7a + 4b) (PT #1)
-21a - 12b
Factor out GCF (PT #8)
12r – 4
4(3r - 1)
Simplify (PT #13)
12ab – 15ab
-3ab
Solve and graph (PT #19)
3(x - 5) < -21
x < -2
(35x - 21) / 7 (PT #5)
5x - 3
Factor out GCF (PT #7)
18m + 63
9(2m + 7)
Simplify (PT #15)
19x + 5y – 8x
11x + 5y
Solve and graph (PT #18)
-3x - 4 ≤ -7
x ≥ 1
-2x(6 – y) (PT #4)
-12x + 2xy
Factor out coefficient (PT #12)
5x + 3
5(x + 3/5)
Simplify (PT #14)
6 + 3(2a – 4) + 8a
6 + 3(2a – 4) + 8a
6 + 6a - 12 + 8a
-6 + 14a
PT #21
t > 8
4x(5x + 2) (PT #1)
20x2 + 8x
Factor out coefficient (PT #10)
-t + 10
-(t - 10)
Simplify (PT #16)
5(2c + 6) – 3(2c + 6) + 4c
5(2c + 6) – 3(2c + 6) + 4c
2(2c + 6) + 4c
4c + 12 + 4c
8c + 12
PT #17 all parts
b) y = 280 - 20x
c) 160 pages
d) -20 pages per night
Beto is selling raffle tickets to raise money for his school band. The tickets cost $12 each. Beto’s goal is to make at least $200. He’s already sold enough tickets to bring in $96. Write an inequality to represent this situation. How many more tickets does Beto need to sell to at least make his goal?
x ≥ 8 2/3
Beto must sell at least 9 more tickets.