Renting boats on a lake costs $22 per hour plus a flat fee of $10 for insurance. if you paid $98 to rent the boat, how many hours did you rent the boat?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?