29-01-2016
Mathematics

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The ratio of rock songs to dance songs on Jonathan's MP3 player is 5:6. If Jonathan has between 100 and 120 rock and dance songs, how many rock songs does he have?

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moonprincess013 moonprincess013

29-01-2016

120:6=20 20=1:6 20x5=100 100=5:6 100 rock songs

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