Write an algebraic justification for each step

A group of friends on a camping trip has 325 lb of trail mix. They divide it up evenly among themselves. Each person gets 15 lb of the trail mix. How many friends are on the camping trip?

what is 5 divided by 8.1

A clock gains 4 minutes every hour. One day it is set to the correct time, 9:00 AM. What is the correct time when the clock shows 1:00 PM that afternoon?

A restaurant uses a container that is shaped like a right triangular prism to package carry out sandwich orders. A net of the container is shown below. What is the surface area?

Julie has 12 postcards from London. This is 30% of her collection. How many postcards does she have in her collection?

Greta and Marge are collecting money for a local charity by taking donations outside of busy local businesses. Hoping to collect the most money today, Greta gets to her collection spot and begins collections at 8am.

Which expression is equivalent to the expression below? (4x + 2y - z) - (x - y + 7)

13y-7y=9 Solve for y, write it as a reduced fraction.

In a family with 7 children, excluding multiple births, what is the probability of having exactly 2 girls? Assume that having a boy is as likely as having a girl at each birth.

A baseball player hit 65 home runs in a season. Of the 65 home runs, 19 went to right field, 23 went to right-center field, 9 went to center field, 11 went to left-center field, and 3 went to left field.