Ralph sold brownies for $0.99 a piece in order to earn money for baseball cards. If the cards cost $1.35 per pack, and if Ralph
had no money left over after buying them, what is the least number of brownies he must have sold
1 answer:
Least common multiple of 0.99 and 1.35
99 = 3 x 3 x 11
135 = 3 x 3 x 3 x 5
LCM = 3 x 3 x 3 x 5 x 11 = 1485.
Thus LCM of 0.99 and 1.35 = 14.85
Therefore, the least number of brownies he must have sold = 14.85/0.99 = 15.
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