Q&A - P4 Math

[chloecube]

Thks Tianzhu, you always make tough questions appear simpler after the explaination

[chloecube]

Hi

here is another question that i am stuck…

Tom had 1/4 as many red pens as blue pens. after he bought 5 red pens and 5 blue pens, he had 1/3 as many red pens as blue pens. how many red pens did he have at first?

[Singfrench]

chloecube:

Hi

here is another question that i am stuck...

Tom had 1/4 as many red pens as blue pens. after he bought 5 red pens and 5 blue pens, he had 1/3 as many red pens as blue pens. how many red pens did he have at first?

Before
red 1 unit
blue 4 units

After
red (1 unit +5)
blue 4 units +5 = [(1unit+5) + (1unit+5) + (1unit+5)]

hence 4 units+5 = 3 units +15
so 1unit = 10 red pens

drawing models would be clearer..

[chloecube]

Tks singfrench

[chloecube]

Hito and Tom had the same number of stickers. After Hito lost 3/5 of his stickers and Tom 8 more stickers.Tom had 3 times as many stickers as Hito. how many stickers did each of them have at first?


after working out with MD, the answer i got is 40

can someone advise if i am correct?

Thks

[MathIzzzFun]

chloecube:

Hito and Tom had the same number of stickers. After Hito lost 3/5 of his stickers and Tom 8 more stickers.Tom had 3 times as many stickers as Hito. how many stickers did each of them have at first?


after working out with MD, the answer i got is 40

can someone advise if i am correct?

Thks

bingo!

cheers.

[chloecube]

MathIzzzFun:

chloecube:

Hito and Tom had the same number of stickers. After Hito lost 3/5 of his stickers and Tom 8 more stickers.Tom had 3 times as many stickers as Hito. how many stickers did each of them have at first?


after working out with MD, the answer i got is 40

can someone advise if i am correct?

Thks

bingo!

cheers.

thks!

[esj152104]

Hi,


Thanks for your response. May i know how to get 53 in your working. Not quite understand.

[MathIzzzFun]

esj152104:

Hi,


Thanks for your response. May i know how to get 53 in your working. Not quite understand.

Hi

http://i40.tinypic.com/33krrpv.jpg\">

cheers.

[Yutan]

MathIzzzFun:

chloecube:

hi,


need help on this.thks

James has twice as much money as Alex. After Alex spent $50, James had thrice as much as Alex. how much money did James have than Alex at first.

Hi

cheers.

hi MathIzzzFun,

I can't view the image... is it the answer is : James has $150 more than alex at first.