Q&A - P4 Math

[MathIzzzFun]

Jamesbond:

http://i46.tinypic.com/2ekhl35.jpg\">

I donno how to solve this....

Hi
I presume P is top left corner, Q is top right corner

Perimeter of PQRS --> 6 units
PS+PQ --> 3 units
PS -> 1/6 of perimeter of PQRS = 1 unit --> 6 cm
PQ --> 2 unit --- 12 cm


perimeter of shaded area
= perimeter of the rectangle PQRS
= 2 x (6 + 12) cm
= 36 cm

I think you can continue from here...

cheers.

[Jamesbond]

MathIzzzFun:

Jamesbond:

http://i46.tinypic.com/2ekhl35.jpg\">

I donno how to solve this....

Hi
I presume P is top left corner, Q is top right corner

Perimeter of PQRS --> 6 units
PS+PQ --> 3 units
PS -> 1/6 of perimeter of PQRS = 1 unit --> 6 cm
PQ --> 2 unit --- 12 cm


perimeter of shaded area
= perimeter of the rectangle PQRS
= 2 x (6 + 12) cm
= 36 cm

I think you can continue from here...

cheers.

Thank you very much for ur help.....Can u help me do the previous sum which I have posted....Thanks in advance.

[Jamesbond]

http://i47.tinypic.com/2cni51c.jpg\">

Pl help.

[kiasuMay11]

Jamesbond:

http://i47.tinypic.com/2cni51c.jpg\">

Pl help.

put \"o\" at center of picture. Imagine u move ZOY and XOY to fill up ZPW and WQX respectively. That will fill up the top half of square. Thus,

1/2 of PZ = 6
PQ = 12

Area = 12*6 = 72

[Jamesbond]

kiasuMay11:

Jamesbond:

http://i47.tinypic.com/2cni51c.jpg\">

Pl help.

put \"o\" at center of picture. Imagine u move ZOY and XOY to fill up ZPW and WQX respectively. That will fill up the top half of square. Thus,

1/2 of PZ = 6
PQ = 12

Area = 12*6 = 72

Fabulous....Thank you....

[Michaelia0816]

Nah so easy

[MathIzzzFun]

Jamesbond:

http://i46.tinypic.com/351d380.jpg\">

Pl help me solve this.

Hi

http://i49.tinypic.com/24418vq.png\">

cheers.

[Jamesbond]

Tan Packs 6kg of peas into 7 packets. Every packet contains an equal amount of peas. What is the maximum amount of peas in each packet? Express your answer as a decimal and round it off to 2 decimal places?


Each packet contains 1.166kg.
so rounding off I get 1.17kg.

But the answer given is 0.86kg. Pl help…I donno…

[Jamesbond]

MathIzzzFun:

Jamesbond:

http://i46.tinypic.com/351d380.jpg\">

Pl help me solve this.

Hi

http://i49.tinypic.com/24418vq.png\">

cheers.

Is it ok if we do

7*13=91

or

7*12=84
84+31+31=146

can 91 and 146 be right answers for this?

[kiasuMay11]

Jamesbond:

Tan Packs 6kg of peas into 7 packets. Every packet contains an equal amount of peas. What is the maximum amount of peas in each packet? Express your answer as a decimal and round it off to 2 decimal places?


Each packet contains 1.166kg.
so rounding off I get 1.17kg.

But the answer given is 0.86kg. Pl help.....I donno..

6/7 = 0.86