Q&A - P5 Math

[YJL]

Hi, can someone help me with this question. Thank u so much for your time.

A,B and C had some stickers. After A gave B some stickers,the number of B’s stickers tripled. B then gave C some stickers, the number of C stickers doubled. In the end, all the three boys had the same number of stickers. If A had 153 stickers more than C at first,
(A) how many stickers did A have in the beginning?
(B) how many stickers did the three boys have altogether?

[smartmummy]

got it.

[smartmummy]

YJL:

Hi, can someone help me with this question. Thank u so much for your time.

A,B and C had some stickers. After A gave B some stickers,the number of B's stickers tripled. B then gave C some stickers, the number of C stickers doubled. In the end, all the three boys had the same number of stickers. If A had 153 stickers more than C at first,
(A) how many stickers did A have in the beginning?
(B) how many stickers did the three boys have altogether?

u can find the ans here.
http://www.kiasuparents.com/kiasu/forum/viewtopic.php?f=68&t=25129&start=1950

[janicelhl]

Hi again, please help:


A caterpillar is climbing up a glass window pane. For every 4 cm that it climbs, it slips down 1 cm. It takes 2 seconds to climb 1 cm and 1 second to slip 1 cm.
A) how high does it climb in 3 minutes?
B) how long does it takes to climb 84 cm?

[Blurtalk17]

Hi, trying to help solve this problem.


At first, Linda had 18 stickers and Karen had 4 times as many stickers as Linda. After they each received an equal amount of stickers from their aunt. Karen had 3 times as many stickers as Linda. How many stickers did their aunt give to both of them?

[S-H]

Hi, I need help with this question:-


Ben had $22 less than Daniel at first. Ben spent 1/6 of his money while Daniel spent 1/4 of his money. If Daniel spent $8 more than Ben,
a) How much money did Ben spend?
b) What was the total amount of money the two boys had left?

Thank you very much.

[smartmummy]

Blurtalk17:

Hi, trying to help solve this problem.


At first, Linda had 18 stickers and Karen had 4 times as many stickers as Linda. After they each received an equal amount of stickers from their aunt. Karen had 3 times as many stickers as Linda. How many stickers did their aunt give to both of them?

at first L[18]
K[18][18][18][18]
after
L[ ]
K[ ][ ][ ]
as the aunt gave an equal amount,the difference between linda and karen remains the same. so to find it we do,18*3=54
so in the after model,the difference is two units so we do,54/2=27
so we compare the before and after models of linda in the before model,she had 18 stickers,in the after model she has 27 stickers.so we do,
27-18=9.so the answer is clearly 9.cheers!
by smartmummys son :xedfingers: :xedfingers:

[smartmummy]

janicelhl:

Hi again, please help:


A caterpillar is climbing up a glass window pane. For every 4 cm that it climbs, it slips down 1 cm. It takes 2 seconds to climb 1 cm and 1 second to slip 1 cm.
A) how high does it climb in 3 minutes?
B) how long does it takes to climb 84 cm?

Let me try
A)4 cm climb---> 4*2=8seconds
1cm slip ----->1*1=1 second
3cm climb----->9 seconds
3*60=180seconds------>20*3=60cm
B)84cm----->28*9=252seconds=2minutes and 52 seconds

[Oracle]

Thanks JieHeng.

[Blurtalk17]

Thank You!!!