Question

Noah and kate are shopping for new guitar strings in a music store. Noah buys 2 packs of strings kate buys 2 packs of strings and a music book. the book costs 16$ their total cost is 72$ how much is one pack of strings?

Answer 1

One pack of strings cost 14$

Answer 2

72-16=56
4x=56 (X is the # of packs of string)
x=14 ( divide by 4 on both sides)