Wednesday, 18 March 2015

Here is another word problem for us to solve together. Let the comments begin.

Its 7km from Tim's house to where his Grandma lives. Its uphill on the way there so he can only cycle at 14kph but he can do 21kph on the way back. 
Tim leaves his house at 6pm. 

 How long can he stop at his Grandma's house if he wants to be back home for his favourite TV programme at 7pm?


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24 comments:

  1. Anonymous18 March 2015 at 13:51

    24 minutes

    ReplyDelete
  2. Amy Tofa18 March 2015 at 13:54

    Taki I don't agree but explain how you worked it out please

    ReplyDelete
  3. Anonymous18 March 2015 at 14:02

    27 minutes
    I hour =14
    1/2 of 14 of = 7
    so it took half an hour to get to his Grandma's house
    with another 30 minutes left.

    It takes him 3 minutes to go down if he can do 21 kph to go back from his Grandma's house so he only had 27 minutes at his Grandma's house.
    30 - 3 = 27 minutes

    ReplyDelete
  4. Anonymous18 March 2015 at 14:02

    This comment has been removed by the author.

    ReplyDelete
  5. Anonymous18 March 2015 at 14:03

    28 minutes cause he will be going 21 kph on the way back.

    ReplyDelete
  6. Anonymous18 March 2015 at 14:06

    It takes him 35 minutes to go up and down the hill, so he has 25 minutes to spend at his Grandmother's house.

    ReplyDelete
  7. Anonymous18 March 2015 at 14:07

    21 + 7 =28 - 1 = 27


    ReplyDelete
  8. Anonymous18 March 2015 at 14:08

    27 minutes ago cause he will be going 22 kph on the way back.

    ReplyDelete
  9. Amy Tofa18 March 2015 at 14:08

    What is the right answer? There are many different answers Tauola and Aarmione can you two work together and see if you can come to an agreement?

    ReplyDelete
  10. Anonymous18 March 2015 at 14:11

    21 + 8 = 28 - 1 =27

    ReplyDelete
  11. Anonymous18 March 2015 at 14:12

    21 + 8 = 28 - 1 =27

    ReplyDelete
  12. Anonymous18 March 2015 at 14:13

    21 + 8 = 28 - 1 =27

    ReplyDelete
  13. Anonymous18 March 2015 at 14:13

    21 + 7 =28 - 1 = 27


    ReplyDelete
  14. Anonymous18 March 2015 at 14:17

    9+10=

    ReplyDelete
  15. Anonymous18 March 2015 at 14:18

    9 + 10 = 19

    ReplyDelete
  16. Anonymous20 March 2015 at 20:12

    This comment has been removed by the author.

    ReplyDelete
  17. Anonymous23 March 2015 at 12:20

    21 + 8 = 28 - 1 =27

    ReplyDelete
  18. Anonymous23 March 2015 at 15:29

    10 minutes

    It takes Tim 1 hour to travel 14km to his Grandmas house, but he only needs to travel 7. So half of 14 is 7, and half of 60 is 30. It takes Tim 30 minutes to travel to his grandmas house, which means that there is another 30 minutes left.

    On the way back, it takes Tim 1 hour to travel 21km, but he still needs to travel 7km. 21 divided by 7 equals 3, and 30 divided by 3 equals 10.

    Tim stays at his grandmas house for 10 minutes

    ReplyDelete
  19. Anonymous15 July 2015 at 23:46

    32 minutes

    ReplyDelete
  20. Anonymous15 July 2015 at 23:46

    32 minutes

    ReplyDelete

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