In a group of 80 children there are three times as many boys as girls, how many girls are there?

A eighteen-sided die is rolled three times. In how many ways can this happen?

how many gallons of a 15% sugar solution must be mixed with 5 gallons of a 40% sugar solution to make a 30% sugar solution

What is 7 3/8 - 5 1/6

2) Brenda spent $24 on a magazine and some candy bars. If the magazine cost $3 and each candy bar cost $3, then how many candy bars did she buy?

How many triangles can be constructed with sides measuring 5m, 16m, and 5m

Find the area of the following ellipse Use = 3.14 and round to nearest tenth. a = 8 in.; b = 7 in.

Maria, an experienced shipping clerck, can fill a certain order in 13 hours. Felipe, a new clerck, needs 14 hours to do the same job. Working together, how long will it take them to fill the order?

Which fraction is equal to 1/5

A chef makes 1 1/2 gallons of soup ate a large pot how many one cup servings in the chef get from this large pot of soup

Cheese sticks that were previously priced at "10 for $1" are now "4 for $1". Find each percent change.