It is easier to solve by Ratio Method - 3 alternative solutions are as attached:
http://prischoolmaths.blogspot.com/2009/07/maths-percentage_29.html
Friday, July 31, 2009
Wednesday, July 29, 2009
Tuesday, July 28, 2009
Saturday, July 25, 2009
Friday, July 24, 2009
Friday, July 17, 2009
KIV
Tom went to a fun fair. He played a fishing game. He was to fish out only 3 cards. He was to add the number on 2 of the cards and multiply the sum by the number on the third card. To win a prize, the answer must be between 50 and 100. The number in one of the card fished out by Tom was 8. What are the other 2 possible numbers on Tom's cards if he won a prize? [2]
(1) 9 and 16
(2) 7 and 12
(3) 3 and 15
(4) 4 and 32
(1) 9 and 16
(2) 7 and 12
(3) 3 and 15
(4) 4 and 32
Thursday, July 16, 2009
Wednesday, July 15, 2009
Tuesday, July 14, 2009
Monday, July 13, 2009
Sunday, July 12, 2009
Saturday, July 11, 2009
Wednesday, July 1, 2009
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