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Help me !!!!!
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TOPIC: Help me !!!!!
#2665
Help me !!!!! 1 Year, 9 Months ago Karma: 0
1)Three girls A,B and C had a total of 1980 beads.Some exchanges were then made.First, A gave B as many beads as B had.After that,B gave 1/3 of whatever she had then to C.Finally, c gave whatever she had to A.As a result,they each had the same number of beads.How many beads did A have at first?

2)Becky and Ramli shared a packet of sweets equally.Becky packed the sweets she had equally into 3 packets.Ramli packed the sweets he had into 4 packets.There was a total of 77 sweets in 2 packets of sweets from Becky and 1 packet of sweets from Ramli.Find the total number of sweets in the original packet?

3)A,B and C shared a sum of money.A receives 40% of the sum of money.B receives 15% less than what A receives.C receives $287 less than A.
a) What percentage of the sum of money is C's share?
b) How much is A's share?





I m very very weak in math.......
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Last Edit: 2010/05/05 20:33 By pin.
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#2666
Re:Quite hard math!!!!help me :) 1 Year, 9 Months ago Karma: 32
Wow. So many questions
No LAH. Not so hard. You want to try and show your working for question 1.
What is the difficulty with this problem
Let's interact on this
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#2667
Re:Quite hard math!!!!help me :) 1 Year, 9 Months ago Karma: 32
oops. offline now. Fill In the Blanks

1)A picture 7cm by 9cm is mounted on a rectangular cardboard leaving a border of 1 1/2cm all round it.Express the area of the border as a fraction of the area of the picture.Give your answer in the simplest form.

Width of Cardboard = 7 + 1 1/2 + 1 1/2 = _____
Length of Cardboard = 9 + 1 1/2 + 1 1/2 = ______
Are of Cardboard = ____
Area of Picture = 7 x 9 = ____
Area of Border = Area of Cardboard - Area of Picture =____

Area of Border
Area of Picture <---- Answer
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#2668
Re:Quite hard math!!!!help me :) 1 Year, 9 Months ago Karma: 32
2)Three girls A,B and C had a total of 1980 beads.Some exchanges were then made.First, A gave B as many beads as B had.After that,B gave 1/3 of whatever she had then to C.Finally, C gave whatever she had to A. As a result,they each had the same number of beads.How many beads did A have at first?

"Finally, C gave whatever she had to A. As a result,they each had the same number of beads."

Eh. Cannot be LAH. If C gave whatever she had to A. She AIN't GOT NUTHIN'.
And A have a whole LOT
I think better change the question a bit.

2)Three girls A,B and C had a total of 1980 beads.Some exchanges were then made.First, A gave B as many beads as B had.After that,B gave 1/3 of whatever she had then to C.Finally, C gave, whatever A had, to A. As a result,they each the same number of beads.How many beads did A have at first?
Last Edit: 2010/05/05 19:14 By reynold.
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#2669
Re:Quite hard math!!!!help me :) 1 Year, 9 Months ago Karma: 0
can't change.......the question is like that.....
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#2670
Re:Quite hard math!!!!help me :) 1 Year, 9 Months ago Karma: 32
Hi Pin,

Let me ask you a question.

If C gave whatever she had to A.

How many beads would C be left with?

You need to answer this.
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#2671
Re:Quite hard math!!!!help me :) 1 Year, 9 Months ago Karma: 32
If John had 10 beads.
And John gave whatever he had to Ben.
How many beads would John be left with ?
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#2672
Re:Quite hard math!!!!help me :) 1 Year, 9 Months ago Karma: 0
0 left
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#2674
Re:Quite hard math!!!!help me :) 1 Year, 9 Months ago Karma: 32
So now we worked out that C had ZERO left after Giving whatever he had to A.

After this, they each had the same number of beads.

So, I repeat if C had ZERO and A had the same number of beads, how many beads would A have?

If C had ZERO beads and B had the same number of bead, how many beads would B have?

C -> 0 beads
B -> ______
A -> ______
Last Edit: 2010/05/05 20:11 By reynold.
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#2677
Re:Quite hard math!!!!help me :) 1 Year, 9 Months ago Karma: 0
Reynold wrote:
So now we worked out that C had ZERO left after Giving whatever he had to A.

After this, they each had the same number of beads.

So, I repeat if C had ZERO and A had the same number of beads, how many beads would A have?

If C had ZERO beads and B had the same number of bead, how many beads would B have?

C -> 0 beads
B -> ___0___
A -> ____0__
.....
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