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 Help with 2 Mathematics question ! PLEASE help !!
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By: verachen (offline)  Tuesday, September 17 2013 @ 09:53 AM CDT (Read 621 times)  

1 ) At 10 am, a car was travelling from Town X to Town Y. At the same time, a lorry was travelling from Town Y to Town X along the same route. The car travelling at a speed of 25km/h faster, passed the lorry 15km from the midpoint between the 2 towns. a) At what time did they pass each other? b) The car took another 24 min to reach Town Y. What time would the lorry reach Town X?

a) 11.12am
b) 2.48pm
[ I am not very sure so I need someone to help me see if my answer is correct ]

2 ) A farmer had some chickens and ducks in his farm. If 50 chickens were sold, the ratio of number of chickens left to the number of duck would be 8:7. If 7 ducks were sold, the ratio of the number of chickens to the number of ducks left would be 10:7. a) How many chickens were there in the farm? b) When 422 ducks in the farm died, what percentage of the ducks were left?

[ I have no idea how to do Q2 ]

Your help is greatly appreciated !!

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Registered: 05/07/10
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By: echeewh (offline)  Tuesday, September 17 2013 @ 08:10 PM CDT  

Hi Vera,

Well done Big Grin . Your Answers for Q1 look good.

About Q2, I appreciate if you can verify if there are any mistakes there as it doesn't seem to work well with the method. Thank you.

Kind regards,

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Registered: 04/21/11
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