Answer:
x ≤ 13 2/5 and y ≥ 6 2/3
Step-by-step explanation:
system of equations would be:
x + y ≤ 20
5x + 8y ≥ 120
if you solve this system you get the answer above
Answer:
The number is 623.
Step-by-step explanation:

Answer: -27/7
Step-by-step explanation:
Answer:
A
Step-by-step explanation: