debra87 debra87

19-01-2019
Mathematics

contestada

Every two hours a scientist spends 1.75 hours observing dolphins and 2.5 hours serving sea lions at this rate how many total hours with the scientist been observing dolphins and sea lions in 10 days

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mrgreen34 mrgreen34

20-01-2019

The scientist was observing for 42.5 hours

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