Each month at Sea Stars, the aquariums must be drained
and filled with new water. The
lobster tank contains 440 gallons of
water and is draining at a rate
of 15.6 gallons per minute. The
exotic fish tank has 8 gallons of
water and is filling at a rate of
11.4 gallons per minute. After
how many minutes will the
tanks contain the same
amount of water?

A good rule is to change 10 to 15 percent of the water each week. If your tank is heavily stocked, bump that up to 20 percent each week. A lightly stocked aquarium can maybe get by for two to four weeks, but this should be the maximum length of time between water changes.

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the answer is b 1/10

f(x) is going down by 4

step-by-step explanation:

(its either that or its going left by 4)