Question

find two decimal fraction whose sum is 0.9 and the difference 0.2

Answer 1

let two decimal fractions are 'x' and 'y'

x+y=0.9     -----------(1)
x-y=0.2     -----------(2)

adding (1) and (2)
 2x= 1.1
   x= 1.1/2
and y= 0.7/2

Answer 2

Step-by-step explanation:

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