yaqi ([info]spotdrops) wrote,
@ 2008-03-23 00:34:00
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vexed.
I dont think i have ever felt this immense pressure and stress in my life, EVER BEFORE. suddenly i know how it's like to feel great responsibilities on your shoulders. For 18 years and a few months, i have been slacking my life away, giving minimum effort, expecting maximum results. Fortunately, luck has always been with me but this time, it ain't just about luck anymore. As they always say, it's 99% hardwork and 1% luck. If i dont wake up now, i never will. 

with that said, can anyone help me solve this Primary 5 maths question please? my student is counting on me. thanks. 

Question:
A fruit seller has 50 more apples than oranges. After selling half of the applies, there were 30 more oranges than apples. How many apples and oranges does the fruit seller have at first?

p.s. the answer is 270.

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[info]secretgardenn
2008-03-22 04:59 pm UTC (link)
omg yaqi i really racked my brains over it and i don't know how to do :( primary school math is like a different ballgame altogether. succcckzzx.

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[info]spotdrops
2008-03-24 08:17 am UTC (link)
yeah i feel stupid, cause i think everyone knows hw to do. haha that really sucks right!

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[info]sixtyfivehearts
2008-03-22 06:05 pm UTC (link)
i know how to do. draw model la. primary school way.

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[info]twiistandshout
2008-03-22 06:35 pm UTC (link)
haha. Models. the reason why I loved primary school math.

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[info]spotdrops
2008-03-24 08:17 am UTC (link)
haha what kinda models?? ;)

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(Anonymous)
2008-03-23 01:14 pm UTC (link)
draw one unit for apples and oranges each. then apples got 50 more right. so you cut the apple thing into half. then the part where the orange is cut,the unit on the right is 30. so you just add accordingly.

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[info]mysticalsilver
2008-03-23 01:40 pm UTC (link)
zzzzz.

i cant believe u dont noe, my dear.

hahas, just kidding.
y din u ask me ytd!

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[info]spotdrops
2008-03-24 08:18 am UTC (link)
i cant think at that moment. so i just told my student, "SKIP!"
LOL

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[info]kisscathgoodbye
2008-03-23 03:26 pm UTC (link)

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[info]spotdrops
2008-03-24 08:16 am UTC (link)
HAHAHAHAHAHAHAHA CATH SERIOUSLY OMG HAHA.
thank u cath. u r more suited to give tuition than me. ur explanation so detailed!

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bee
(Anonymous)
2008-03-24 01:43 am UTC (link)
i think its 51% hard work and 49% luck.
so what if the person is damned clever but is sick/ unlucky that day right??

cheer up!

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Re: bee
[info]spotdrops
2008-03-24 08:18 am UTC (link)
huh. im not even sad over it. hahaa

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[info]klutz_ed
2008-03-24 07:02 pm UTC (link)
why nv call me and ask!
i got A* for maths for PSLE orhkay!
cya later alligator.

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[info]spotdrops
2008-03-24 07:30 pm UTC (link)
are u serious, A*
haha marche later babe! waraku soon!

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[info]mysticalsilver
2008-03-26 09:37 am UTC (link)
haha.
wads "waraku soon!"???

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[info]spotdrops
2008-03-26 01:11 pm UTC (link)
waraku is a japan pasta eating place. looks very nice!

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dalg
(Anonymous)
2008-03-27 05:15 pm UTC (link)
goodness. you're a tutor? and you finished alevels? are you sure? and thats a PRIMARY 5 question? and you failed btt? the brainless basic theory test? talk about stupidity.

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Re: dalg
[info]spotdrops
2008-03-27 07:46 pm UTC (link)
yupp damn stupid.

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[info]fatbaldguy60
2008-03-27 08:03 pm UTC (link)
A fruit seller has 50 more apples than oranges can be represented by:

y + 50 = x, where y is oranges, and x is apples, or y = x - 50

After selling half of the applies, there were 30 more oranges than apples can be represented by:

y=x/2 + 30

Since the value of y did not change:

x - 50 = x/2 +30 Add 50 to each side:

x = x/2 +80 Multiply each side by 2

2x = x + 160 Subtract x from each side

x = 160, therefore y = 110.

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