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OpenStudy (ribhu):
Monica learnt to play a total of 14 pieces over the course of 7 weeks of piano lessons. In all, how many weeks of piano lessons will Monica need before she will be able to play a total of 18 pieces? Assume the relationship is directly proportional.
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OpenStudy (anonymous):
We can divide 14 / 7 to see how many pieces she learns in 1 week.
OpenStudy (anonymous):
What do you get? @ribhu
OpenStudy (ribhu):
i got 9
OpenStudy (anonymous):
Yep, you are correct. 14 / 7 = 2 18 / 2 = 9
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