Hazel wants to buy 20 identical staplers as follows.
1 for $3.706 for $20.70 What is the least amount of money she needs to buy 20 such staplers?
Maximum number of sets that Hazel can buy
= 20 ÷ 6
= 3 r 2
Amount to pay for 3 sets of 6 staplers
= 3 x 20.70
= $62.10
Amount to pay for the remaining staplers not part of a set
= 2 x 3.70
= $7.40
Least amount that Hazel needed to pay
= 62.10 + 7.40
= $69.50
Answer(s): $69.50