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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!

Sagot :

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.