algebra

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At the station, you fill the tank. You use an overhead fill that puts out 162 gallons per minute. How long will it take to fill the tank?

  • algebra -

    I'd guess that depends on the size of the tank.

  • algebra -

    If you need to add or subtract two rational expressions, how would you do it

  • algebra -

    figure the common denominator. Then, using that, add/subtract the values:

    1/3 + 3/7

    21 = 3*7, so you really have

    (1*7)/(3*7) + (3*3)/(3*7) = (7+9)/21 = 16/21

  • algebra -

    a barrel can be filled in1 hr by 6 taps how long will it take to fill the barrel with 4 taps

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