42.50
Step-by-step explanation: sale price is the price at which something sells or is sold at after its price has been reduced
y-1700=200(x+4)
step-by-step explanation:
200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us thatās howmuch she already had
answer: y=4000x+14000