Question

Algebra Martin has 12 times as many baseball

cards as Josie. Josie has 29 more cards than Kal.
How many baseball cards does Martin have?
Write and solve equations.
Matt has 14 times as many cards as Kal.
How many cards does Matt have?
Kal has 28 baseball cards.

Answer 1

• Martin has 684 baseball cards
• Matt has 392 baseball cards

Explanation:

Let N, J, K, M represent the numbers of cards that Martin, Josie, Kal, and Matt have, respectively.

Equations

We are told ...

N = 12J

J = 29 +K

M = 14K

K = 28

__

Solution

Working from the bottom up, ...

M = 14·28 = 392

J = 29 +28 = 57

N = 12J = 12·57 = 684

__

The answers to the questions asked are ...

Martin has 684 baseball cards; Matt has 392 baseball cards.