math (algerba 1)

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Ms. Driva Reck drove from her home to a service station at 48km/h. She returned home by bicycle at 16km/h. The entire trip took 4 hours. How far was the service station from Ms. Reck's home?

  • math (algerba 1) -

    time on bike --- t hours
    time driving ---- 4-t hours

    16t = 48(4-t)
    16t = 192 - 48t
    64t = 192
    t = 3

    so distance = 3(16) = 48 km

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