Tutor MathsGuru: Ask me for your burning Maths questions!

[small]

CJM:

Dave had 59 toy cars and toy soldiers. After giving away 1/3 of his toy cars and 4 of his toy soldiers, he had an equal number of toy cars and toy soldiers. How many toy soldiers did he have at first ?

Hi CJM,

Here is the solution, hope it helps.

http://s4.postimage.org/bcLA9-0c78d7a2.png\">

[YLH88]

Hi iFruit, kancheongmum, VC’s mum,


Thank you for the solution! Will try to explain to my DS.

[iFruit]

zyberk:

Hi all,


Appreciate if anyone can help with the steps to achieve the answer to this math number problem. Thanks

| Y |
| 16 | 5 |
| 28 | 10 | 3 |
| 50 | 20 | 8 | 3 |

The answer given is Y=23

Thanks again.

I get the answer as 9. Left number - Right number -2 = Top number.

for example, 50-20-2 = 28; 28-10-2 =16

So, 16-5 -2 = 9.

[zyberk]

iFruit:

zyberk:

Hi all,


Appreciate if anyone can help with the steps to achieve the answer to this math number problem. Thanks

| Y |
| 16 | 5 |
| 28 | 10 | 3 |
| 50 | 20 | 8 | 3 |

The answer given is Y=23

Thanks again.

I get the answer as 9. Left number - Right number -2 = Top number.

for example, 50-20-2 = 28; 28-10-2 =16

So, 16-5 -2 = 9.

Me get 9 too but the answer provided is 23. :? Anyone else?

[atutor2001]

zyberk:

iFruit:

[quote=\"zyberk\"]Hi all,


Appreciate if anyone can help with the steps to achieve the answer to this math number problem. Thanks

| Y |
| 16 | 5 |
| 28 | 10 | 3 |
| 50 | 20 | 8 | 3 |

The answer given is Y=23

Thanks again.

I get the answer as 9. Left number - Right number -2 = Top number.

for example, 50-20-2 = 28; 28-10-2 =16

So, 16-5 -2 = 9.

Me get 9 too but the answer provided is 23. :? Anyone else?[/quote]The answer 23 is wrong. Looking at the pattern vertically, it is unlikely that the answer can be 23.

[Muffins]

for me the answer is 14.


50-28=22
28-16=12
So 16-2 (Every sum minus 10) = 14

[zyberk]

Thanks all for your help.


Anyone else has a different answer or solution?

Muffins:

for me the answer is 14.

50-28=22
28-16=12
So 16-2 (Every sum minus 10) = 14

[Ngserene617]

mathsguru:

Original Title: Let MathsGuru Answer Your Burning Maths Questions!


:welcome:

Dear Parents,

Are you frustrated/stuck when helping your child solve his/her Maths questions? Are you inclined to use Algebra most of the time? Do you have difficulty trying to use diagrams or other heuristic methods (that Primary School students learn) to solve?

:idea: Post your questions here and see how MathsGuru solve them to the best of her ability. Detailed solutions will be posted back in this thread.


Hi,

Need help for this Ques:

1. Adeline has $40 which is made up of fifty-cent and twenty-cent coins. There are 50 fifty-cent coins. What percentage of the number of his coins us twenty-cent coins?








So start asking and watch this space!!

Cheers :celebrate: ,
MathsGuru

P/S (Disclaimer, in case you're wondering...):
Although MathsGuru is a full-time Maths tutor, this thread is meant to be an absolutely free resource for parents (or even children) with no strings attached. Just someone who's passionate about Maths and wanna spread the fun in learning Maths with others.

[Ngserene617]

mathsguru:

Original Title: Let MathsGuru Answer Your Burning Maths Questions!


:welcome:

Dear Parents,

Are you frustrated/stuck when helping your child solve his/her Maths questions? Are you inclined to use Algebra most of the time? Do you have difficulty trying to use diagrams or other heuristic methods (that Primary School students learn) to solve?

:idea: Post your questions here and see how MathsGuru solve them to the best of her ability. Detailed solutions will be posted back in this thread.


Hi,

Need help for this Ques:

1. Adeline has $40 which is made up of fifty-cent and twenty-cent coins. There are 50 fifty-cent coins. What percentage of the number of his coins us twenty-cent coins?








So start asking and watch this space!!

Cheers :celebrate: ,
MathsGuru

P/S (Disclaimer, in case you're wondering...):
Although MathsGuru is a full-time Maths tutor, this thread is meant to be an absolutely free resource for parents (or even children) with no strings attached. Just someone who's passionate about Maths and wanna spread the fun in learning Maths with others.

[Ngserene617]

Hi,


Appreciate if anyone can help me the below ques:

1. Adeline has $40 which is made up of fifty-cent and twenty-cent coins. There are 50 fifty-cent coins. What percentage of the number of his coins us twenty-cent coins?

Thanks

mathsguru:

Original Title: Let MathsGuru Answer Your Burning Maths Questions!

:welcome:

Dear Parents,

Are you frustrated/stuck when helping your child solve his/her Maths questions? Are you inclined to use Algebra most of the time? Do you have difficulty trying to use diagrams or other heuristic methods (that Primary School students learn) to solve?

:idea: Post your questions here and see how MathsGuru solve them to the best of her ability. Detailed solutions will be posted back in this thread.

So start asking and watch this space!!

Cheers :celebrate: ,
MathsGuru

P/S (Disclaimer, in case you're wondering...):
Although MathsGuru is a full-time Maths tutor, this thread is meant to be an absolutely free resource for parents (or even children) with no strings attached. Just someone who's passionate about Maths and wanna spread the fun in learning Maths with others.