Answer:
The answers are A, B, C, F
the value of x is 13
what boxes? XD need a link to da picture UWU
Step-by-step explanation:
13.08 ≈ y
60
Substitute 50 for y in the formula
5x+10y=800
5x+10*50=800
5x+500=800
5x=800-500
5x=300
x=300/5
x=60
