math
posted by melissa on .
sandra is making 3 gallons of lemonade reception.If each scoop of powdered lemonade mix dissolves in enough water to make 3 quarts of punch,how many scoops of powdered mix will she use? ( hint: 4 quarts = 1 gallon

3 gal = 12 quarts
Each scoop makes 3 quarts
12 quarts / 3 quarts per scoop = 4 scoops 
joseph is planning a 2500 mile crosscountry trip in his new sports utility vehicle. he uses the following information about his vehicle to figure out how much money to budget for gas:
. the vehicle has a 15 gallon tank
. the vehicle gets 25 miles per gallon
if the gasoline costs $2.99 a gallon, how much gas money will joseph need for his trip? (note:each time he stops for gas, joseph fills the tank completely.) 
15 gal/tank x 25 mpg = 375 miles/tank
2500 mi / 375 per tank = 6.67 tank fills
= 7 tank fills (Joe always fills tank)
15 gal per tank x 7 tank fills = 105 gal
105 gal x 2.99/gal = $313.95 gas expense