Johnny is buying AA batteries and D batteries. The store sells AA batteries in packs of 7 and D batteries in packs of 6. If Johnny wishes to buy the same number of AA and D batteries, what is the smallest number of each battery type that he can buy?
batteries
1 answer
The smallest number of AA and D batteries that Johnny can buy while maintaining equal numbers of each is 42. He can buy 6 packs of 7 AA batteries (6 x 7 = 42) and 7 packs of 6 D batteries (7 x 6 = 42). This way, he will have the same number of AA and D batteries (42 of each).
1 answer