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anonymous

  • one year ago

Josh biked to school. In the morning, the traffic was light. So, he averaged 26 miles/hr to go to school. On the way back, his average speed is 20 miles/hr, and it took him 6 more minutes. How far is the school from Josh's house?

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  1. Compassionate
    • one year ago
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    Do know where to start?

  2. anonymous
    • one year ago
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    Not at all Dx

  3. triciaal
    • one year ago
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    do you know the relationship between distance speed and time

  4. triciaal
    • one year ago
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    are you here? please answer

  5. anonymous
    • one year ago
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    Yes sorry @triciaal one minute is 1/60 hours

  6. triciaal
    • one year ago
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    that is correct but that's not what I am asking

  7. anonymous
    • one year ago
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    Oh, then the d=rt formula?

  8. triciaal
    • one year ago
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    what is your r?

  9. anonymous
    • one year ago
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    Is it 1/60

  10. triciaal
    • one year ago
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    distance = speed* time

  11. triciaal
    • one year ago
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    distance between 2 points will not change

  12. triciaal
    • one year ago
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    |dw:1440990024964:dw|

  13. triciaal
    • one year ago
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    |dw:1440990271320:dw|

  14. anonymous
    • one year ago
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    So 26t=20(t+60)?

  15. triciaal
    • one year ago
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    no look again

  16. triciaal
    • one year ago
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    time is in hours 6 mins = 6/60 hrs

  17. triciaal
    • one year ago
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    after you find the time then put in either expression and calculate d, distance from home to school

  18. triciaal
    • one year ago
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    |dw:1440990821972:dw|

  19. anonymous
    • one year ago
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    Were you supposed to simplify the 6/60 in the beginning? I just ended up with a bigger fraction

  20. triciaal
    • one year ago
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    you did not show your work. I don't know what fraction you are talking about. 6 minutes is 6/60 = 1/10 hr always simplify fractions

  21. triciaal
    • one year ago
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    do you understand the approach I used?

  22. anonymous
    • one year ago
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    Ohhh ok I see what I did, I got the same answer when I simplified it. I get it now :) Thank you so much!

  23. triciaal
    • one year ago
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    you are welcome

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