Answer:
y = 16
Step-by-step explanation:
y = 11 - x
of x is -5, subtitute it into the equation
y = 11 - (-5)
y = 11 + 5
y = 16
Equation of straight line is y=mx+c ,here m is slope in given question m is 1/4.
Hope it helps you.
You multiply 86 by 42.5 because each board is 42.5 and there are 86 boards.
The answer for your equation is: y = 9
