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jmc

algebra junior

Problem

At Rosa's Rose Shop, a bouquet containing a dozen roses costs \20$. If the price of a bouquet is directly proportional to the number of roses it contains, how many dollars will a bouquet of 39 roses cost?
Solution
Let equal the cost of a bouquet of 39 roses (in dollars). Since we know that the price of a bouquet is directly proportional to the number of roses it contains, we can set up the following proportion
Final answer
65