Answer:
20 pizzas.
Step-by-step explanation:
40% = 8
1% = 8 ÷ 40 = 0.2
100% = 0.2 x 100 = 20
Answer: -60
5 - 1/3x = -15
-1/3x = -20
(-3/1)-1/3x=-20(-3/1)
x = -60
3
One solution since x=0