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Friday, April 28 2017 @ 10:41 PM CDT
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By: achieve_goal (offline)  Sunday, April 29 2012 @ 06:52 AM CDT (Read 1077 times)  
achieve_goal

mark s current age is 1/4 of Ronald's. in 24 years' time, Ronaldd's age will
be 14 years less than twice Mark's age. what is Ronald's age now?


Q2. Janis bought some ice-cream sticks. When Lilin bought 3 times as many ice-
crem sticks as Janis, she had 55 ice-cream sticks more than
1/2 of what Janis had bought. How many ice-cream sticks did
Janis buy?


Q3. Hakim and Suresh had some money in the ratio of 13:8.
When they each received $133,Hakim will have 4 times as much money as Suresh. How much did Hakim had at first?

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By: lixin_s (offline)  Sunday, April 29 2012 @ 06:31 PM CDT  
lixin_s

Q1

Current: M=1/4R

Mark: [___] [++++++++++++24++++++++++++] [___] [++++++++++++24++++++++++++]
Ronaldd: [___] [___] [___] [___] [++++++++++++24++++++++++++] [++++++++14+++++++]

[++++++++++++24+++++++++++ ]
[___] [___] [++++++++14+++++++]
[___] = 5 Mark's age now x 4= 20

Ronaldd's current age is: 20

Q2
Janis: [___[++++ ] ++++++55+++++++++]
Lilin: [________] [________] [________]
2.5 [________] = 55
[________] = 22

Janis bought 22 ice cream sticks.

Q3:
I guess the Q should be when Hakim received $133, Hakim will have 4 time ...... If both received $133, it will never happened the 4 times situation if 13:8 ratio had been preset.
Hakim: [_] [_] [_] [_] [_] [_] [_] [_] [_] [_].[_] [_] [_] [+++++++++++++++++++++++++133 +++++++++++++++++++++++]
Suresh: [_] [_] [_] [_] [_] [_] [_] [_]
[___________________] [____________________] [_____________________] [______________________]
4x8 units = 13 units+133

19 units = 133
1 unit= $7
Hakim had 13 units T first

13 x 7 = $91

Hakim had $91,at first


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By: lixin_s (offline)  Sunday, April 29 2012 @ 06:38 PM CDT  
lixin_s

Q1

Current: M=1/4R

Mark: [___] [++++++++++++24++++++++++++] [___] [++++++++++++24++++++++++++]
Ronaldd: [___] [___] [___] [___] [++++++++++++24++++++++++++] [++++++++14+++++++]

[++++++++++++24+++++++++++ ]
[___] [___] [++++++++14+++++++]
[___] = 5 Mark's age now x 4= 20

Ronaldd's current age is: 20

Q2
Janis: [___[++++ ] ++++++55+++++++++]
Lilin: [________] [________] [________]
2.5 [________] = 55
[________] = 22

Janis bought 22 ice cream sticks.

Q3:
I guess the Q should be when Hakim received $133, Hakim will have 4 time ...... If both received $133, it will never happened the 4 times situation if 13:8 ratio had been preset.
Hakim: [_] [_] [_] [_] [_] [_] [_] [_] [_] [_].[_] [_] [_] [+++++++++++++++++++++++++133 +++++++++++++++++++++++]
Suresh: [_] [_] [_] [_] [_] [_] [_] [_]
[___________________] [____________________] [_____________________] [______________________]
4x8 units = 13 units+133

19 units = 133
1 unit= $7
Hakim had 13 units T first

13 x 7 = $91

Hakim had $91,at first


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By: lixin_s (offline)  Sunday, April 29 2012 @ 06:40 PM CDT  
lixin_s

Q1

Current: M=1/4R

Mark: [___] [++++++++++++24++++++++++++] [___] [++++++++++++24++++++++++++]
Ronaldd: [___] [___] [___] [___] [++++++++++++24++++++++++++] [++++++++14+++++++]

[++++++++++++24+++++++++++ ]
[___] [___] [++++++++14+++++++]
[___] = 5 Mark's age now x 4= 20

Ronaldd's current age is: 20

Q2
Janis: [___[++++ ] ++++++55+++++++++]
Lilin: [________] [________] [________]
2.5 [________] = 55
[________] = 22

Janis bought 22 ice cream sticks.

Q3:
I guess the Q should be when Hakim received $133, Hakim will have 4 time ...... If both received $133, it will never happened the 4 times situation if 13:8 ratio had been preset.
Hakim: [_] [_] [_] [_] [_] [_] [_] [_] [_] [_].[_] [_] [_] [+++++++++++++++++++++++++133 +++++++++++++++++++++++]
Suresh: [_] [_] [_] [_] [_] [_] [_] [_]
[___________________] [____________________] [_____________________] [______________________]
4x8 units = 13 units+133

19 units = 133
1 unit= $7
Hakim had 13 units T first

13 x 7 = $91

Hakim had $91,at first

Just wondered when i posted the answer, it appeared blank...
Oops!

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By: skhong (offline)  Saturday, May 05 2012 @ 09:33 PM CDT  
skhong

This is the working for correct answer(question 1):
M current age-->5
R current age-->20
In 24 years, M is 29 and R is 44
29x2=58
58-44=14

This is the working for correct answer(question 2):
J-->2u
L-->6u
half of J is 1u
6u-1u=5u
55/5=11
11x2=22

This is the working for correct answer(question 3):
Before:
H:13
S:8
Process:
+133
End:
H:4
S:1
(13u+133)/4=(8u+133)/1
13u+133=4x(8u+133)
=32u+532

32u-13u-->532-133
19u-->399
1u-->21
13u-->21x13
=273

Hope these workings helped! Big Grin

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