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Mathematics, 15.02.2020 01:53 hellodarkness14

This week, Sam spent 2 3/4 hours on his homework. This was 2 2/3 times less than last week. How many hours did he spend on homework last week?

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This week, Sam spent 2 3/4 hours on his homework. This was 2 2/3 times less than last week. How many...
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