Answer:
16-Current age = A
A x 52 weeks in a year x 100 dollars per week + $200 in her account when 16
Ax52x100+200=Money saved up
16-Sara Age = B
B x 52 weeks in a year x 50dollars per week + $800 in her account = money saved up when 16
Bx52x50+800=Money Saved
Step-by-step explanation: