1. S OLVE THE FOLLOWING USING DIRECT VARIATION ! 1. I F Y = 8 WHEN X = 2, FIND X WHEN Y = 44

2. S OLVE THE FOLLOWING USING DIRECT VARIATION ! 2. A CAR USES 5 GALLONS OF GASOLINE TO TRAVEL 145 MILES. A T THAT RATE, HOW MUCH GASOLINE WILL THE CAR USE TO TRAVEL 580 MILES ?

3. S OLVE THE FOLLOWING USING DIRECT VARIATION ! 3. T HE AMOUNT A WHICH A FAMILY GIVES TO CHARITY VARIES DIRECTLY AS ITS INCOME L. L AST YEAR, THE FAMILY EARNED $30,000 AND GAVE $4000 TO CHARITY. H OW MUCH WILL THEY GIVE IF THEY MAKE $45,000 THIS YEAR ?

4. S OLVE THE FOLLOWING USING DIRECT VARIATION ! 4. T HE NUMBER OF STUDENTS SERVED IN A CAFETERIA VARIES DIRECTLY AS TIME. I F 10 STUDENTS CAN BE SERVED IN 6 MINUTES, HOW MANY STUDENTS CAN BE SERVED IN 48 MINUTES ?