Question

A number is four-fifths of the other . if their sum is 180, find the number

Answer 1

Answer:

one number = x

other =y

y = 4/5 x

x+y = 180

x+4/5x = 180

9/5x = 180

9x = 180× 5 = 900

x = 900/9 = 100

y= 180-100 = 80

Answer 2

Answer:

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