SOLUTION: Christine went shopping and bought each of her six nephews a gift, either a video costing $14.95 or a CD costing $16.88. She spent $93.56 on the gifts. How many videos and how ma

Question 775271: Christine went shopping and bought each of her six nephews a gift, either a video costing $14.95 or a CD costing $16.88. She spent $93.56 on the gifts. How many videos and how many CDs did she buy?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of video's she bought
Let = number of CD's she bought
-------------
(1)
(2)
-----------------------------
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
-----------------------------

and, since
(1)
(1)
(1)
4 = number of video's she bought
2 = number of CD's she bought
-------------
check:
(2)
(2)
(2)
OK

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