Alice has $15 more than barry. charlene has 5/9 of the amount of barrys money. if alixe has x dollars, how much money do they have altogether.

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab