10. On a recent vacation, your uncle spent a total of $680 on airfare, hotel, and a rental car. The airfare cost twice as much as hotel, and the rental car was one-
third as much as the hotel. Use a linear system to find how much your uncle paid
for each service.

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?