Answer:
- Martin has 684 baseball cards
- Matt has 392 baseball cards
Step-by-step explanation:
Let N, J, K, M represent the numbers of cards that Martin, Josie, Kal, and Matt have, respectively.
<u>Equations</u>
We are told ...
N = 12J
J = 29 +K
M = 14K
K = 28
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<u>Solution</u>
Working from the bottom up, ...
M = 14·28 = 392
J = 29 +28 = 57
N = 12J = 12·57 = 684
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The answers to the questions asked are ...
Martin has 684 baseball cards; Matt has 392 baseball cards.
