On Monday Sarah had homework in 7/10 of her classes, Tuesday 3/5 , Wednesday 9/11 , and Thursday 1/2 . Which day did she have the most homework?
On Monday Sarah had homework in 7 10 of her classes, Tuesday 3 /5, Wednesday 9/11, and Thursday 1/ 2. Sarah had the most homework on Wednesday. [ Solution: Least common multiple for 10, 5, 11 and 2 is 110
Monday: 7/10 = (7*11)/(10*11) = 77/110
Tuesday: 3/5 = (3*22)/(5*22) = 66/110
Wednesday: 9/11 = (9*10)/(11*10) = 90/110
Thursday: 1/2 = (1*55)/(2*55) = 55/110
Since 90 > 77 > 66 > 55. ]
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Asked 12/10/2021 4:08:19 PM
Updated 12/5/2023 4:13:02 PM
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