heahou
contestada

Tina practice piano for 15 hours last month and 45 hours this month. Use addition to write a statement comparing the hours Tina practice during the two months

Respuesta :

iuytrewq
The total number of hours practicing is 60 hours for those two months.

anaguzman
A regular month has more or less 30 days in it. So 1 month is equal to 30 days. There are 24 hours in a day, hence 30*24 = 720. There are 720 hours in a month. 

15/720 * 100 = 2.1%
45/720 * 100 = 6.25%

Hence, Tina had more hours of practice this month just with a difference of 4.15%.

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