Tutor MathsGuru: Ask me for your burning Maths questions!

[kwcllf]

Please help with the following Maths question:


A group of people met at a party. Each person shook hands with everyone else. Mr Li shook hands with 3 times as many men as women. Mrs Li shook hands with 4 times s many men as women. How many men and how many women were there at the party?

Thanks!

[YumYum]

Hi, I need help with these 2 questions:


1. Ali has some 50 cent coins and Martin has some $1 coins. Ali has 49 more coins than Martin but has $4.50 less than him. How much money do they have alltogether?

2. Joshua counted the number of digits of all the page numbers in a book. He found that a total of 1359 digits were used. How many pages were there in the book? (ans=489)

thank you.

[MathIzzzFun]

kwcllf:

Please help with the following Maths question:


A group of people met at a party. Each person shook hands with everyone else. Mr Li shook hands with 3 times as many men as women. Mrs Li shook hands with 4 times s many men as women. How many men and how many women were there at the party?

Thanks!

Hi

http://i51.tinypic.com/20jpxld.jpg\">

cheers.

[MathIzzzFun]

YumYum:

Hi, I need help with these 2 questions:


1. Ali has some 50 cent coins and Martin has some $1 coins. Ali has 49 more coins than Martin but has $4.50 less than him. How much money do they have alltogether?

2. Joshua counted the number of digits of all the page numbers in a book. He found that a total of 1359 digits were used. How many pages were there in the book? (ans=489)

thank you.

Hi

1. Give 49 more $1 coins to Martin so that he has same number of coins as Ali. Then, Ali would have $4.50 + $49 = $53.50 less than Martin.

So, number of coins each would have = 53.50/0.50 = 107

Ali had 107 x $ 0.50 = $53.50
Martin had (107 - 49) x $1 = $58

2. List the number and count the digits...

pg 1-9 = 9 digits
pg 10-99 = 90 x 2 = 180 digits

1359 - 9 - 180 = 1170 digits

1170/3 = 390 numbers

Last page number = 100 + 390 - 1= 489

cheers.

[rainbow75]

thank you for your help. there is another speed question.


Mr Tan drove from city X to city Y.At the same time,Mr Koh drove from city Y to city X.They passed each other 64 km away from city Y and continued their journeys. They made a u-turn upon reaching their destinations so that they could return to their own cities. They passed each other again 52 km away from city X.Find the distance between the two places when they met each other.

[Dreamerz]

Hi MathsGuru,could you help explain the solution for this question:


A group of girls played only 2 types of activities. 1/4 of them played skipping and 2/3 of them played catching. 1/6 of them played both and 90 girls did not play at all. How many girls were there altogether?

[wahwah]

Hi,

Need help with the following question. Many thanks in advance.

Mark spent 2/3 of his money on 3 cups and 3 plates and 1/4 of the remaining money on 2 napkins. Each cup costs 1/7 as much as each plate. Each napkin costs $7 more than each cup. How much money did Mark spend on each plate?

[MathIzzzFun]

rainbow75:

thank you for your help. there is another speed question.


Mr Tan drove from city X to city Y.At the same time,Mr Koh drove from city Y to city X.They passed each other 64 km away from city Y and continued their journeys. They made a u-turn upon reaching their destinations so that they could return to their own cities. They passed each other again 52 km away from city X.Find the distance between the two places when they met each other.

Hi

http://i51.tinypic.com/2hezqit.jpg\">

cheers.

[MathIzzzFun]

Dreamerz:

Hi MathsGuru,could you help explain the solution for this question:


A group of girls played only 2 types of activities. 1/4 of them played skipping and 2/3 of them played catching. 1/6 of them played both and 90 girls did not play at all. How many girls were there altogether?

Hi

http://i51.tinypic.com/wldno.jpg\">

cheers.

[wahwah]

wahwah:

Mark spent 2/3 of his money on 3 cups and 3 plates and 1/4 of the remaining money on 2 napkins. Each cup costs 1/7 as much as each plate. Each napkin costs $7 more than each cup. How much money did Mark spend on each plate?

Hi all,
any suggestion how to solve this question? Help greatly appreciated.