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Preston reads for 20 minutes each night and practices his math facts for 5 minutes each night. After several days, he had practiced maths facts for 45 minutes. How many minutes did Preston read in the same time period?

Respuesta :

MrsDuckie
He read for 180 minutes.

You can find that because every time he practises math for five minutes, he reads for 20, and 45 is 5, 9 times. So you multiply 20 by 9.