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10-12-2014
Mathematics

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sara can type 90 words in 4 minutes.About how many words would you expect her to type in 10 minutes?

Respuesta :

10-12-2014

90 words in 4 minutes is the same as 45 words in 2 minutes because you divide both sides by 2. 2 goes into 10, 5 times, so 45x5=225.
You can expect her to type 225 words in 10 minutes.

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