judy is a cashier at a grocery store. during her last shift, she rang up 81 customers, took a break, and…

judy is a cashier at a grocery store. during her last shift, she rang up 81 customers, took a break, and then rang up 21 more. their average bill was $49. judy estimates she rang up roughly $500 in sales during that shift. is that a good estimate? yes. no, it is much too high. no, it is much too low.
Answer
Explanation:
Step1: Calculate total customers
$81 + 21=102$
Step2: Calculate total sales
$102\times49 = 4998$
Answer:
No, it is much too low.