Question

kate is saving to take an sat prep course that costs $350, so far , she has saved $180, and she adds $17 to her savings each weeks must she save to be able? write an equation to represent the cost of the course?

Answer 1

x(17)+180=350
-180 -180
x(17) + 0 =170
so you need to see how many time 17 make 170
17x10=170
x=10
10(17)+180=350