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There are already 1,200 gallons of water in a swimming pool. If water is filling the pool at a rate of 20 gallons per minute, which expression indicates the amount of water, in gallons, in the swimming pool after m minutes? A. 1,200 + 20 × m B. 1,200 ÷ 20 × m C. 1,200 - 20 × m D. (1,200 + 20) ÷ m

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jrod120304

Answer:  choice B

Step-by-step explanation:

If we put the above parameters in "slope-intercept" form, it would read...

y=mx+b

y=200x+50

Now rearrange the above equation into "standard" form......

-200x+y=50......subtract 200x from both sides

 200x-y=-50...multiply both sides by (-1); standard form

                       equations cannot begin with a negative

                       integer

VaporDPX

Answer:b

Step-by-step explanation:

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