The waitress earns $425 weekly.
Work:
Use proportions.
x 4
------- = ------
4,200 100
4,200 x 4 = 16800
100 multiply x = 100x
16800 divided by 100 = 168
Commission = $168
Base salary = $257
$168 + $257 = $425
Minus them both to get your answer
3 3/4 divide 2 1/12 = 1.8
Answer:
The possible numbers could be : 4521, 4125, and 2415
