1. sarah sells jewelry and earns 10% commission on her sales. last week she sold $4,200 worth of jewelry…

1. sarah sells jewelry and earns 10% commission on her sales. last week she sold $4,200 worth of jewelry. how much did she earn? a) $420 b) $504 c) $420 d) $600
Answer
Explanation:
Step1: Convert percentage to decimal
10% = 0.1
Step2: Calculate commission
Commission = 0.1×4200 = 420
Answer:
A. $420