Problema Solution
their is a bridge across a river that is 2900m wide. One sixth of the total length of the bridge is one side of the river where as one seventh is on the other side. What is the total length of the bridge?
Answer provided by our tutors
let
x = total length of the bridge
x - ((1/6)x + (1/7)x) = 2900
x(1 - (1/6) - (1/7)) = 2900
by solving we find:
x = 4,200 m
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the total length of the bridge is 4,200 meters.