Q&A - P3 Math

[angel]

Amy and Betty shared 200 cookies. After Amy ate 30 cookies and Betty baked another 28 cookies, they had the same number of cookies. How many cookies did Betty have at first?

[angel]

Gopal wants to buy 8 bars of chocolatebut he is short of $3. If he buys 7 bars of chocolate, he will have $1 left. How much money does he have?

[tianzhu]

angel:

Gopal wants to buy 8 bars of chocolatebut he is short of $3. If he buys 7 bars of chocolate, he will have $1 left. How much money does he have?

Hi

The solution has been provided by Oldschool on page 221.

http://www.kiasuparents.com/kiasu/forum/viewtopic.php?f=66&t=149&p=999538#p999538

Best wishes

[angel]

Thank you tianzhu. How about the solution for first question?

[Oldschool]

angel:

Amy and Betty shared 200 cookies. After Amy ate 30 cookies and Betty baked another 28 cookies, they had the same number of cookies. How many cookies did Betty have at first?

Hi,

http://i44.tinypic.com/2zgt1cp.jpg\">

Regards

[angel]

Thank you very much.

[angel]

Nathan had 12kg of rice at first. He gave 1/4 of his rice to his mother. Then he gave 2/3 kg of his rice to a Neighbour. How much rice has he left?


I ended up 2 different answers. Is the answer 1kg or 3kg? Kindly advice.

[Oldschool]

angel:

Nathan had 12kg of rice at first. He gave 1/4 of his rice to his mother. Then he gave 2/3 kg of his rice to a Neighbour. How much rice has he left?


I ended up 2 different answers. Is the answer 1kg or 3kg? Kindly advice.

Hi,

In this case, the answer is 1kg.

The answer would be 3kg if \"he gave 2/3 of the remainder to his neighbor\".

Regards

[angel]

Thank you oldschool for your 'rescue'.

[doraemo]

Please help:


1)\tMrs Png and Mrs Fu shared a sum of money equally. After Mrs Png gave $880 to Mrs Fu, how much more money did Mrs Fu have than Mrs Png?


2)\tJane had 110 fewer cookies than Sharon. How many cookies must Sharon give to Jane so that Sharon would have 50 more cookies than Jane?