Mathematics
question 1 of 769
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the oxygen saturation of a lake is found by dividing the amount of dissolved oxygen the lake water
currently has per liter by the dissolved oxygen capacity per liter of the water, and then converting that
number into a percent. if the lake currently has 6.4 milligrams of dissolved oxygen per liter of water and
the dissolved oxygen capacity is 9.5 milligrams per liter, what is the oxygen saturation level of the lake,
to the nearest percent?
a. 64%
b. 67%
c. 70%
d. 89%
e. 95%
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