Question

a man covered 3/7 of his journey by boat ,2/7 of his journey by train and remaining 12 km on foot .what was the total distance he travelled.​

Answer 1

let total distance covered be x

then

a/q

3/7x+2/7x+12km=x

x-5/7x=12

x=12×7/2

x=42km

therefore total distance covered=42km

Answer 2

Answer:

Step-by-step explanation:

Let be the total distance x

So therefore,By boat 3/7x

And by train 2/7x

Remaining distance is x-(2/7x+3/7x)=2/7x

According to question 2/7x=12

So x is 42