Algebra and Up:
Question: Cameron is selling flowers from his garden. By selling large bouquets for $21 and small bouquets for $15, he makes $540. If he sells a total of 30 bouquets, how many large bouquets did Cameron sell?
Answer: 15 large bouquets
Solution: We can use the equations 21L + 15S = 540 and L + S = 30 to solve for both variables. First, we solve for S in the second equation. That gives us that S = 30 – L. We can plug that value of S into the original equation, so 21L + 15(30 – L) = 540. If we solve for L, we get 15.
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