Question

find two decimal fractions whose sum is 0.9 and the difference is 0.2​

Answer 1

Step-by-step explanation:

Given:

x+y = 0.9 --------(i)

x-y = 0.2 ---------(ii)

Adding equation (i) and (ii) gives:

x+y = 0.9

+ x-y = 0.2

---------------------

2x +0 = 1.1 ----------(iii)

x = 1.1/2 ------------(iv)

x = 0.55

Putting value of 'x' in equation (i) gives:

0.55 + y = 0.9

y = 0.35

Hope it helps........

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Answer 2

Answer:

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