Chocolate bars are on sale for the prices shown in this stem-and-leaf plot. Cost of a Chocolate Bar (in cents) at Several Different Stores
Stem Leaf
7 7
8 5 5 7 8 9
9 3 3 3
10 0 5
Calculate the mean, median, and mode prices for the chocolate bars.

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

How can writing phrases as algebraic expressions you solve problems?