If 3x - 4y = 15 and -2x + 3y = 10, then x - y = ?
2 answers:
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Answer:
Linda makes 3 more cards than Paul.
Step-by-step explanation:
Let's express the affirmations into equations:
Paul (P) can make 1 card for every 3 cards Linda (L) makes:
(1)
Linda can make 3 cards for every 2 cards that Aaron (A) makes:
(2)
During a week, Aaron makes 72 cards, hence the number of cards of Linda and Paul can be calculated as follows:
From equation (2):
Now, from equation (1):
Finally, the number of cards that Linda makes more than Paul is:
Therefore, Linda makes 3 more cards than Paul.
I hope it helps you!