1.

What number should be added or subtracted from each term in the ratio 11:9 so that it become 6:5

Answer»

1 Should be added to each term of 11 : 9 so that it becomes 6:5

Step-by-step explanation:

Let say number Should be added = X in  each term of 11 : 9 so that it becomes 6 : 5

=> 11 + X :  9 + X  = 6 : 5

=> (11 + X) / (9 + X) = 6/5

=> 5 (11 + X) = 6( 9 + X)

=> 55 + 5X = 54 + 6X

=> 1 = X

=> X = 1

1 Should be added to each term of 11 : 9 so that it becomes 6:5

Let say Y should be subtracted  in  each term of 11 : 9 so that it becomes 6 : 5

=> (11 - Y)/(9 - Y) = 6/5

=> 55 - 5Y = 54 - 6Y

=> Y = - 1

-1  should be subtracted  in  each term of 11 : 9 so that it becomes 6 : 5

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