Elvira purchases 18 Halloween masks for a party. If her total bill was $107.10, estimate the average cost of each mask by rounding to one nonzero digit. Find the exact cost.
A)$5.50; $5.95
B)$5; $5.95
C)$2,000; $1,927.80
D)$10; $5.95

Question

Quizplus · Accepted Answer

To estimate the average cost of each mask, we divide the total bill by the number of masks: 
$107.10 ÷ 18 ≈ $5.95 
Rounding to one nonzero digit, we get $6. Therefore, the best choice is B, which has an exact cost of $5.95.

Elvira Purchases 18 Halloween Masks for a Party