## Friday, August 31, 2012

### Sec1 Pythagoras Theorem (Fr Alexia)

A creeper plant is climbing up and around a cylindrical tree trunk in a helical manner. The tree trunk has a height of 540 inches and a circumference of 48 inches.
If the creeper covers a vertical distance of 90 inches in one complete twist around the tree trunk, what is the total length of the creeper?

## Thursday, August 30, 2012

### P6 speed (fr Ryan )

For my solution, click accordingly:

## Monday, August 13, 2012

### P6 rate (fr Chloe p)

--
1 mouse eats 1/20 kg rice each day.
1 cat catches 1/3 mice each day.
ya, so 1 cat save 1/60 kg rice each day.
(from my bro)

## Friday, August 3, 2012

### P6 percentage (double meaning?)

Is this question ambiguous?
Depending on how you read the question (ie. where you pause during your reading), you will get a different interpretation of the question.

Meaning1: (The intended meaning, ie. no pause after "\$2380")
"... buy a wardrobe, which cost \$2380 after a 20% discount."
80% --> \$2380
(a) Amount saved at fair (20%) --> \$2380 / 4 = \$595

Meaning2:
"... buy a wardrobe, which cost \$2380, after a 20% discount."
100% --> \$2380
(a) Amount saved at fair --> 20% x \$2380 = \$476

## Wednesday, August 1, 2012

### P6 assorted (fr Madalene t)

Click the link for my solution to the questions you need: