Don earns $18.25 per hour. This week, he earned $657 in straight-time pay. How many hours did he work?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

X2 + y 2 = 36 x + y = 6 solve the system of equations.