Answer:
Sample 1 :1.5
Sample 2:-2.5
sample 3:5.5
Step-by-step explanation:
A) 5x-6y=3
B) 7y=2x+8
B) -2x + 7y = 8 then multiplying "B" by 2.5
B) -5x +17.5y = 20 then adding this to A
A) 5x -6y = 3
11.5y = 23
y = 2
x = 3
he can still lift 25 or more
y+4
63.6
