# Maths

Bob has 15 more cards than Alan. Colun gives Bib 25 cards. Bob now has 3 times as many as Alan. How nany has Alan got?

1. 👍 0
2. 👎 0
3. 👁 77
1. B = A + 15

B + 25 = 3A

Substitute A+15 for B in the second equation and solve for A.

1. 👍 0
2. 👎 0
posted by PsyDAG

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