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29 May, 19:06

Jack spends 1 and a quarter as long on his homework as Jill. Last week Jill spent 9 and three quarters of a hour on his homework. How long did Jack take? Write the answer as a mixed number! Thnx!

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  1. 29 May, 19:46
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    Jack spent 11 hours on his homework. This is because Jill worked 9 3/4 hours on her work, and since Jack worked 1 1/4 hours more than her. 9 3/4 + 1 1/4 = 11.
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