SOLUTION: Carol needs to buy six gifts for Christmas. She has $100 to spend on these gifts. She has already bought four gifts, costing $15, $20, $12 , and $13 . what is the average am

Algebra ->  Average -> SOLUTION: Carol needs to buy six gifts for Christmas. She has $100 to spend on these gifts. She has already bought four gifts, costing $15, $20, $12 , and $13 . what is the average am      Log On


   

Question 201842: Carol needs to buy six gifts for Christmas. She has $100 to spend on these gifts. She has already bought four gifts, costing $15, $20, $12 , and $13 . what is the average amount that she can spend on the remaining gifts ?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
100-(15+20+12+13)=2x
100-60=2x
40=2x
x=40/2
x=$20 is the average price of the 2 remaining gifts.