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Every 2 days a scientist spends 1.5 hours observing dolphins and 3.25 hours observing sea lions. At this rate, how many total hours will the scientist spend observing dolphins and sea lions in 8 days?


A. 28.5
B. 19
C. 9.5
D. 23.5

Sagot :

LeCoolKid

Answer:

B. 19

Step-by-step explanation:

To find the combined amount, you have 1.5 + 3.25, since it asks for the time a scientist uses to observe both the dolphins and sea lions.

So we have 4.75 every 2 days, and it asks us for the amount in 8 days.

4.75 x 4 = 19

Your welcome, comment if you have any questions! :D

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