Explanation
Step 1
Let
x represents the time (weeks)
y represents the balance account (dollars)
so, we have 2 coordiantes
P1
priya starts with $50 in her bank account.
time=0
balance=50
[tex]P1(0,50)[/tex]and
P2
time=12 weeks
balance=20*12=240
[tex]undefined[/tex]