Richard has 3 times as many music CDs as Benny does. If Richard has y CDs, the number of CDs Benny has is given by the expression . If Richard has 30 CDs, Benny has CDs.
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7
Answer:
10
Step-by-step explanation:
Expression: y=3×x (according to the question)
30=3×x
30/3=x
10=x
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