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Mathematics, 09.03.2020 03:52 gianni0

10. A student studied 18 hours in 7 days, if he wants to study average 2 hours each day 14 days. How many hours he needs to study for next 7 days!

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10. A student studied 18 hours in 7 days, if he wants to study average 2 hours each day 14 days. How...
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