a clerk processes 62 invoices in 4 hours. how many invoices can the clerk process by working at this rate…

a clerk processes 62 invoices in 4 hours. how many invoices can the clerk process by working at this rate for 40 hours per week for 6 weeks?\na 1,022\nb 1,488\nc 2,480\nd 3,720
Answer
Answer:
D. 3,720
Explanation:
Step1: Calculate hourly rate
$62\div4 = 15.5$ (invoices per hour)
Step2: Calculate weekly invoices
$15.5\times40=620$ (invoices per week)
Step3: Calculate 6 - week invoices
$620\times6 = 3720$ (invoices in 6 weeks)