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24-08-2015
Mathematics

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Write to Explain-Lucy danced for an hour, practicing ballet, jazz, and tap. She practiced twice as long on jazz as tap. She practiced ballet as many minute as tap . Explain whether you have enough information to find the number of minutes she practiced tap. If so, write a number sentence

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24-08-2015

You do

minutes on tap = n
minutes on ballet = n (same as tap_
minutes on jazz = 2n

n + n+ 2n = 60 minutes
4n= 60 minutes (now divided both sides by 4)
n = 15 minutes 2n = 30 minutes
tap = 15 minutes ballet = 15 minutes and jazz = 30 minutes - Total = 1 hour

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