You can buy 56 diapers at babies -r-us for $28, and you can buy 112 diapers online for & 52.whick is the better deal, and how much will you save per diaper ?

online will save .04 per diaper

Step-by-step explanation:

Find the unit price per diaper by dividing the number of diapers by the cost.

Babies R Us = 28/56 = .50 per diaper

Online = 112/52 = .46 per diaper

To solve the savings, subtract: .50-.46 = .04

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.