Question

Mr. Simon landscapes new houses for a building contractor. He charges by the square meter of yard space plus a setup fee. He billed the contractor $2,150 for a 400-square- meter yard and $1,650 for a 300-square-meter yard. Write an equation in the form
y = mx + b that can be used to find the cost, y, to landscape any amount of yard space, x.

Answer 1

You can make a system to find y

400m+b=2150
300m+b=1650

Answer 2

Solve for m, to get b.

Answer 3

Good from here..?

Answer 4

not really @dtan5457 im new to this subject i have it as an online class

Answer 5

400m+b=2150
300m+b=1650

subtract everything to get

100m=500

m=?

Answer 6

Still don't get it?

Answer 7

Divide everything by 100.

Answer 8

ok @dtan5457

Answer 9

So m=?