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Mathematics, 10.09.2019 00:30 bellamore

Iwill give brainliest
brianna practices the piano 30 minutes per day.
a. write an expression for the number of hours she practices in d days.
b. find the number of hours brianna practices in 2, 4 and 10 days.

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Iwill give brainliest
brianna practices the piano 30 minutes per day.
a. write an expres...

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