Mathematics, 25.07.2019 20:10 nagwaelbadawi

7. david bought two types of cards. he bought x type of cards that cost $4 andy
type of cards that cost $2. there are a total of 22 cards and they have a total cost of
$26. if he bought 5 of the $4 type of cards, how many of the $2 cards did he buy?
cards

Answers: 2

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7. david bought two types of cards. he bought x type of cards that cost $4 andy
type of cards...