You pack sandwiches for a mountain hike with your friends. Each sandwich takes 222 slices of bread, and each hiker eats one sandwich. How many slices of bread are used for n hikers?

2(n)

Step-by-step explanation:

You pack sandwiches for a mountain hike with your friends.

Each sandwich takes 2 slices of bread.

If each hiker eats one sandwich, and there are 'n' hikers

so to find the number of breads used for 'n' hikers, we multiplied 2 by n

So the expression will be

2(n)

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.