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 By: Achiever (offline)  Wednesday, February 22 2012 @ 12:06 AM CST (Read 3011 times)
Achiever

2) At a school funfair, Mrs Sanimin's class sold 25 litres of orange juice. The orange juice was sold in cups containing 200ml and 300ml. An equal number
of cups containing 200ml and 300ml were sold. How many cups of orange juice did her class sell?

3) Alan scores a total of 14 points for attempting 15 questions in a Maths quiz. For every correctly answered questions, Alan gets 2 points. For every
wrong answer, he loses 2 points. How many questions has he answered correctly?

Newbie

Registered: 02/15/12
Posts: 9

 By: tlk (offline)  Wednesday, February 22 2012 @ 09:55 AM CST
tlk

Pls refer attached.

Newbie

Registered: 10/21/11
Posts: 14

 By: Achiever (offline)  Wednesday, February 22 2012 @ 07:31 PM CST
Achiever

Thank you!

Newbie

Registered: 02/15/12
Posts: 9

 By: sokechan (offline)  Friday, February 24 2012 @ 10:19 PM CST
sokechan

You could also use the supposition method for Q3.

Assume: 15 x 2 = 30
Subtract: 30 - 14 = 16
Add(sometimes subtract when both are positive): 2 + 2 = 4
Divide: 16 / 4 = 4
15 - 4 = 11

Junior

Registered: 02/25/11
Posts: 23

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