Miss ling brought party hats for the 86 fourth graders at her school the hats come in packages of 6 how many packages did miss ling buy

15 packages

Step-by-step explanation:

well since miss ling needed to buy 86 hats and each package comes in 6 but 86÷6=14 an 2 extra. you cant buy 14 packs and extra two so you would round up and get 15

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.