Tutor MathsGuru: Ask me for your burning Maths questions!

[Guan Hui]

hi daddy,(this sounds weird lol)


I think is 12cm?
cause its 252cm^2

I don’t know if I am correct cause the answer have decimals

0.5xbxh+Lxh=252
0.5xb+L=21
b+2L=42

16x0.5xbxh=Lxh
8b=L
2L=16b

17b=42
b=42/17
L=8b=19+13/17
2L=39+9/17
2h=12x2=24
Perimeter =39+9/17 +24
(63+9/17)cm or 63.53cm

[firebird]

Dear david59


I thank you for the answer.

Regards
firebird

[KoalaMummy]

i need an urgent answer to this question, by tonight… hope you don’t mind…

A book cost $12 more than a magazine. 2 magazine and 5 books cost $110. Find the cost of a book and a magazine.

[verykiasu2010]

KoalaMummy:

i need an urgent answer to this question, by tonight.. hope you don't mind...

A book cost $12 more than a magazine. 2 magazine and 5 books cost $110. Find the cost of a book and a magazine.

M + $12 = B

5M + $60 = 5B

therefore 2M + (5M + $60) = $110

7M = $50

M = $7 1/7

B = $19 1/7

[KoalaMummy]

verykiasu2010:

KoalaMummy:

i need an urgent answer to this question, by tonight.. hope you don't mind...

A book cost $12 more than a magazine. 2 magazine and 5 books cost $110. Find the cost of a book and a magazine.

M + $12 = B

5M + $60 = 5B

therefore 2M + (5M + $60) = $110

7M = $50

M = $7 1/7

B = $19 1/7

Hey, thanks a lot. but i think u r using algebra to solve the problem, wihich my P4 ds don't quite understand. can you solve by using the methods taught in school. Sorry....

[ChiefKiasu]

KoalaMummy:

i need an urgent answer to this question, by tonight.. hope you don't mind...

A book cost $12 more than a magazine. 2 magazine and 5 books cost $110. Find the cost of a book and a magazine.

You can draw the following models:
M + 12
M + 12
M + 12
M + 12
M + 12
M
M

So 7M + (5*12) = $110
so M = 50/7
There a magazine costs $50/7=$7 1/7 while a book costs $(50/7 + 12)=$19 1/7

You should check the numbers in the question. The answer looks strange.

[KoalaMummy]

ChiefKiasu:

KoalaMummy:

i need an urgent answer to this question, by tonight.. hope you don't mind...

A book cost $12 more than a magazine. 2 magazine and 5 books cost $110. Find the cost of a book and a magazine.

You can draw the following models:
M + 12
M + 12
M + 12
M + 12
M + 12
M
M

So 7M + (5*12) = $110
so M = 50/7
There a magazine costs $50/7=$7 1/7 while a book costs $(50/7 + 12)=$19 1/7

You should check the numbers in the question. The answer looks strange.

ya, i think the answer look strange too... will ask my son to ask his teacher la...i've tried my best...'give-up\"... maths problems these days are :frustrated:

[tianzhu]

Hi

Hope this helps

http://farm5.static.flickr.com/4013/4540290449_16f1dc1b79_o.jpg\">

Please check figures.
Best wishes

[Guan Hui]

KoalaMummy:

ChiefKiasu:

[quote=\"KoalaMummy\"]i need an urgent answer to this question, by tonight.. hope you don't mind...

A book cost $12 more than a magazine. 2 magazine and 5 books cost $110. Find the cost of a book and a magazine.

You can draw the following models:
M + 12
M + 12
M + 12
M + 12
M + 12
M
M

So 7M + (5*12) = $110
so M = 50/7
There a magazine costs $50/7=$7 1/7 while a book costs $(50/7 + 12)=$19 1/7

You should check the numbers in the question. The answer looks strange.

ya, i think the answer look strange too... will ask my son to ask his teacher la...i've tried my best...'give-up\"... maths problems these days are :frustrated:[/quote]Hi koalamummy,
I made this video for you hope it helps...
http://www.youtube.com/watch?v=ScY86Ezm2KU

p.s. your kid hug you like koala when they are small? Imagine and thought it was super cute=D

[david59]

ChiefKiasu:

KoalaMummy:

i need an urgent answer to this question, by tonight.. hope you don't mind...

A book cost $12 more than a magazine. 2 magazine and 5 books cost $110. Find the cost of a book and a magazine.

You can draw the following models:
M + 12
M + 12
M + 12
M + 12
M + 12
M
M

So 7M + (5*12) = $110
so M = 50/7
There a magazine costs $50/7=$7 1/7 while a book costs $(50/7 + 12)=$19 1/7

You should check the numbers in the question. The answer looks strange.

Ya, normally where got this kind of answer with $7 1/7 leh. Especially when you convert into exact numbers of cents,how can have 14.29 cents one lor? It is like if an answer is 1.43 chicken. U know what I mean. I'm very sure the question got problem one lah. Otherwise it is a very simple question to solve. :?