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Richard practiced piano each of 3 piano solos for 5/12 hour. How long did he practice in all? Please show how to figure

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texaschic101

3 piano solos....each is 5/12 hr....
u can either add : 5/12 + 5/12 + 5/12 = 15/12 = 1 1/4 hrs

or u could multiply : 3 * 5/12 = 15/12 = 1 1/4 hs

either way....same answer

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