Eliminate X and Y thus find the value of X and Y. 2x + 6y =18 x + y=5
4x + 5y=22 2x+ y

After elimination substitute.

X> -2 is the simplified version.

7days is 168 hours in decimal form it is just 168 there is no decimal form for this because it is like 168.0 and there is no number you are dividing it by for it to be a decimal.hope this

With out knowing the functions you have to chose form, this could be one.y = 5.00xx = hours worked and y = the money he will earn.