amy is saving money to buy a bike that costs $125. she has $60 and will save an additional $5 each week. in how many weeks will she have enough money to buy the bike

Answer:
13 weeks.
Step-by-step explanation:
equation type is y=mx+b
b=60
m=5
x=how many weeks
y=125
125=5x+60
-60
125-60=65
65=5x
65/5=13