I believe it’s -12x but I may be wrong I hope this helped!
Answer:
y = 2x/3 +6
Step-by-step explanation:
using the formula y=mx+b .........where m is the slope, b is the is the point, where the line intersects the y axis
y = 2/3 x + 6
The answer would be 45 weeks, since you do 530-80 since that is the part the parents will foot, which will be 450 left. Then you do that divided by 10 since you plan to save 10 dollars a week and therefore are left with 45 weeks.