Miles has 24 baseball cards. he wants to display the cards in even rows. 2 different arrays to show how miles could display his cards and even rows and columns

Number of baseball cards miles has=24

Miles wants to display cards in even number of rows.

⇒Array=ab, where a is number of rows and b is number of columns.

So, possible number of arrays are

1.→24× 1 or 1 × 24

2.→2× 12 or 12 × 2

3.→3×8  or 8 × 3

4.→4×6 or 6 × 4

Arrays in which rows are even

  1.→24 × 1

  2.→8×3

  3.→12×2

  4.→6×4

  5.→2×12

  6.→12×2

Arrays in which columns are even

→1 × 24

→3×8

→4×6

→6×4

→2×12

→12×2

Arrays in which both rows and columns are even

→4×6

→6×4

→12×2

→2×12

b. x + 1

step-by-step explanation:

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