SOLUTION: carl bought 19 apples of 2 different varieties to make a pie. The total cost of the apples was $5.10. Granny Smith apples cost $0.25 each and Gala apples cost $0.30 each. How ma

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: carl bought 19 apples of 2 different varieties to make a pie. The total cost of the apples was $5.10. Granny Smith apples cost $0.25 each and Gala apples cost $0.30 each. How ma      Log On


   



Question 414115: carl bought 19 apples of 2 different varieties to make a pie. The total cost of the apples was $5.10. Granny Smith apples cost $0.25 each and Gala apples cost $0.30 each. How many of each type of apple did Carl buy?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
19 apples
Let x and (19-x) represent the amount of the gala and smith apples respectively
Question states***
.30x + .25(19-x) = $5.10
Solving for x
.05x = 5.10-4.75
x = .35/.05
x = 7, the number of galas. 12 the number of smith apples
CHECKING our Answer***
$2.10 + $3.00 = $5.10