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(a) Mr. Salman record the time taken of 100m running for Ali, Abu and Amin. The recorded time for Abu and Amin is equal. The average time taken for three of them is 13.3s, but Mr Salman wrongly record the time taken for Ali from 13.5s to 15.3s. Calculate the correct average time taken for them.

(a) Mr. Salman record the time taken of 100m running for Ali, Abu and Amin. The recorded time for Abu and Amin is equal. The average time taken for three of them is 13.3s, but Mr Salman wrongly record the time taken for Ali from 13.5s to 15.3s. Calculate the correct average time taken for them.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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(a) (b) Mr. Salman record the time taken of 100m running for Ali, Abu and Amin. The recorded time for Abu and Amin is equal. The average time taken for three of them is 13.3s, but Mr Salman wrongly record the time taken for Ali from 13.5s to 15.3s. Calculate the correct average time taken for them. Afif went to The New Coffee House to buy 7 cups of coffee and 4 congo bars which cost RM 25.70 while Khai bought two cups of coffee and three congo bars with a total cost of RM 10.45. Meanwhile, Puteri went to The Town House to buy 5 cups of coffee and 4 congo bars which cost RM 20.50 while Farah buys three cup of coffee and four congo bars with a total cost of RM 14.75. Analyse which bakery offered the lowest price for a cup of coffee and a congo bar.
Transcribed Image Text:(a) (b) Mr. Salman record the time taken of 100m running for Ali, Abu and Amin. The recorded time for Abu and Amin is equal. The average time taken for three of them is 13.3s, but Mr Salman wrongly record the time taken for Ali from 13.5s to 15.3s. Calculate the correct average time taken for them. Afif went to The New Coffee House to buy 7 cups of coffee and 4 congo bars which cost RM 25.70 while Khai bought two cups of coffee and three congo bars with a total cost of RM 10.45. Meanwhile, Puteri went to The Town House to buy 5 cups of coffee and 4 congo bars which cost RM 20.50 while Farah buys three cup of coffee and four congo bars with a total cost of RM 14.75. Analyse which bakery offered the lowest price for a cup of coffee and a congo bar.
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