Question

A : B = 1 : 3, Find A if A + B = 8.

Answer 1

Answer:

       A = 2

Step-by-step explanation:

A : B = 1 : 3

i.e.    A / B = 1 / 3

          3A = B -----{i}

A + B = 8 -----{ii}

from {i} and {ii}

A + 3A = 8

4A = 8

A = 2

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