Question

divide 85 cm into two parts AB and BC where AB is to BC equals to 3 is to 4

Answer 1

here....it's given that
AC= 85
and we are dividing it into total 7 parts
then...
AB/AC= x/85 = 3/7
then x= 3*85/7
= 255/7
= 36.4
hence AB = 36.4 and BC = 85-36.4 = 48.6

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