Fractions: 4/8, 1/2
Percent: 50%
Decimal: 0.50
4(a-2)=3(a+4)
4a-8=3a+12
a=20
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
b = 3
Step-by-step explanation:

Add similar terms :

Collect like terms and simplify
