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1/8 of a pole is painted red, and 2/7of the remainder is blue, the rest being white. If the white portion is 150cm long, what lenght is red. Please show working
Question
Asked 11/11/2010 8:07:28 AM
Updated 224 days ago|7/17/2023 12:48:35 AM
1 Answer/Comment
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User: 1/8 of a pole is painted red, and 2/7of the remainder is blue, the rest being white. If the white portion is 150cm long, what lenght is red. Please show working

Weegy: 127 centimeters
Expert answered|meeya94|Points 0|

User: show working please

Question
Asked 11/11/2010 8:07:28 AM
Updated 224 days ago|7/17/2023 12:48:35 AM
1 Answer/Comment
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Let's denote the length of the entire pole as "x" cm.
The remainder of the pole, which is not painted red, is (1 - 1/8) = 7/8 of the pole's length.

Now, we know that 2/7 of the remainder is blue. So, the length of the blue portion is (2/7) * (7/8) * x.

The remaining white portion is given as 150 cm.

Red length + Blue length + White length = Total length
(1/8) * x + (2/7) * (7/8) * x + 150 cm = x

To solve for x, we can simplify the equation:

(1/8) * x + (2/8) * x + 150 cm = x
[(1/8) + (2/8)] * x + 150 cm = x
(3/8) * x + 150 cm = x
3x + 1200 = 8x
1200 = 5x
x = 240 cm

Red length = (1/8) * x = (1/8) * 240 cm = 30 cm

Therefore, the length of the red portion is 30 cm.
Added 224 days ago|7/17/2023 12:48:35 AM
This answer has been confirmed as correct and helpful.
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Questions asked by the same visitor
if 1/3 of a number is 12, what is th number? User: please show working
Question
Updated 6/11/2014 12:46:57 PM
2 Answers/Comments
1/3x = 12
x = 12 divided by 1/3
x = 12 X 3
x=36
Added 11/8/2010 9:08:37 PM
If 1/3 of a number is 12, the number is 36.

(1/3)x = 12

x = 12/(1/3)

x = 12 * 3

x = 36
Added 6/11/2014 12:46:53 PM
This answer has been confirmed as correct and helpful.
a family uses 1/12 of a piece of cake on one day, 1/6 on the next day, 3/8 on the third day and the rest on the fourth day. If the piece eaten on the fourth day weighed 12g how much did the whole cake weigh? Please shw working
Weegy: the cake weighs more or less 31g User: please show working (More)
Question
Expert Answered
Updated 196 days ago|8/14/2023 5:32:50 AM
1 Answer/Comment
If the piece eaten on the fourth day weighed 12g, 96 grams did the whole cake weigh.
Solution
1/12 + 1/6 + 3/8 = 8/24 + 4/24 + 9/24 = 21/24

1 - 21/24 = 3/24

(3/24) * Whole Cake Weight = 12g

To find the whole cake weight:

Whole Cake Weight = 12g / (3/24) = 12g * (24/3) = 96g

Added 196 days ago|8/14/2023 5:32:45 AM
This answer has been confirmed as correct and helpful.
Sam travels 3/10 of his journey by car, 3/20 by bicycle, 1/12 by boat and he walks the rest which is 140km. How long is the journey
Weegy: i'm sorry i dont know the answer (More)
Question
Expert Answered
Updated 209 days ago|8/1/2023 5:56:06 AM
2 Answers/Comments
Solution:
3/10 + 3/20 + 1/12 = 8/15
Added 209 days ago|8/1/2023 5:55:11 AM
This answer has been flagged as incorrect.
Deleted by Rhed°88 [8/1/2023 5:55:42 AM]
Solution:
3/10 + 3/20 + 1/12 = 8/15 is the total time length of his journey.
Added 209 days ago|8/1/2023 5:56:06 AM
This answer has been confirmed as correct and helpful.
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