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13-11-2018
Mathematics

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the cost for 7 dance lessons is $82. The cost for 11 lessons is $122. Write and solve an equation to find the cost of 4 lessons

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sophiatorres588 sophiatorres588

13-11-2018

7x=82
82/7=11.7
11x=122
122/11=11.1
4x=45
45/4=11.25

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