Answer:
They can have infineyely many solutions :)
# Tally
1: ||||| (5)
2: | (1)
3: |||| (4)
4: ||| (3)
5: || (2)
6: ||| (3)
Step-by-step explanation:
7.50x + 6y ≤ 92. AND. x + y ≥ 20
3y = ax + 7
3(4) = a(3) + 7
12 = 3a + 7
3a = 5
a = 5/3