SOLUTION: when the fare of certain journer of airline incresed in the ratio 5:7 the cost of the ticket of the journey became rs.1421. find the increased in fare?

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Question 1119398: when the fare of certain journer of airline incresed in the ratio 5:7 the cost of the ticket of the journey became rs.1421. find the increased in fare?
Found 4 solutions by addingup, greenestamps, josgarithmetic, Shin123:
Answer by addingup(3677) About Me  (Show Source):
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5:7 can be written as 5/7
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5/7 = 1421
(1421*5)/7 = 1015

Answer by greenestamps(13198) About Me  (Show Source):
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The language isn't clear; but I believe you are asking for the amount of increase in the fare....

The ratio 5:7 means we can represent the old fare by 5x and the new fare by 7x; the amount of increase in the fare is 7x-5x = 2x.

The new fare, 7x, is rs. 1421:

7x+=+1421
x+=+203

The amount of increase in the fare is 2x = 2 * rs. 203 = rs. 406.

Answer by josgarithmetic(39617) About Me  (Show Source):
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ORIGINAL: 5x
INCREASED: 7x
Cost became: rs. 1421
Original Price: n

7x%2F5x=1421%2Fn

7%2F5=1421%2Fn
n%2F1421=5%2F7
n=5%2A1421%2F7
n=1015

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Find the increase in the fare.
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1421-1015
highlight%28406%29

Answer by Shin123(626) About Me  (Show Source):
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At first, it was 5x but now, it is 7x.
7x=1421
highlight%28x=203%29 7x-5x=2x
highlight%282x=highlight_green%28406%29%29