3 years ago

7. David bought two types of cards. He bought x type of cards that cost $4 andy

Mathematics

1 answer:

PIT_PIT [208]3 years ago

7 0

Answer:

Step-by-step explanation:

x + y = 22

22 cards = 26

5(4) +y(2) = 26

20+2y = 26

20-20 +2y = 26-20

2y =6

2y/2 = 6/2

y = 3

andy bought 3 cards

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