Julie wants to buy 16 identical pencils as follows.
1 for $4.505 for $20.90 What is the least amount of money she needs to buy 16 such pencils?
Maximum number of sets that Julie can buy
= 16 ÷ 5
= 3 r 1
Amount to pay for 3 sets of 5 pencils
= 3 x 20.90
= $62.70
Amount to pay for the remaining pencils not part of a set
= 1 x 4.50
= $4.50
Least amount that Julie needed to pay
= 62.70 + 4.50
= $67.20
Answer(s): $67.20