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17-01-2019
Mathematics

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Kevin's collection has 2 times as many dolls in it as Mark's collection. Together, they have 93 dolls. How many dolls does Kevin have? How many dolls are in Mark's collection?

Respuesta :

17-01-2019

x + 2x = 93
3x=93
x=31

x=Mark's collection
2x=Kevin's collection

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