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19-03-2017
Mathematics

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Sam and Annika ride their bikes to school. Sam rides his bike (K )kilometers. Annika rides her bike two less than four times as many kilometers at Sam rides.

Write an expression to represent how many kilometers Annika rides her bike to school.

Please help

Respuesta :

19-03-2017

s=k and a=4s-2, replacing s with k in a gives you:

a=4k-2

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