Problema Solution
Dave has $15 to spend on an $8 book and two birthday cards (c) for his friends. How much can he spend on each card if he buys the same card for each friend?
Answer provided by our tutors
Let 'c' represent the cost of each card.
8 + 2c = 15
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click here to see the equation solved for c
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c = $3.50
Dave spent $3.50 on each card.