A man travelled two-fifth of his journey by train, one-third by bus, one-fourth by car and
the remaining 3 km on foot. What is the length of his total journey?
Answers
Answered by
2
Answer:
Lets say the total journey is 'x' km
2x/5 + x/3 + x/4 + 3 = x ....Equation 1
to get rid of the fractions lets multiply with the least common multiple of the denominators 3, 4 & 5 ....thats 60
Multiply Equation 1 with 15
24x + 20x + 15x + 180 = 60x
59x + 180 = 60x
x = 180 km
Step-by-step explanation:
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Answered by
1
Answer:
180
Step-by-step explanation:
Let the length of his total journey be x
So,
5
2
x+
3
1
x+
4
1
x+3=x
solving
x(
5
2
+
3
1
+
4
1
)−x=−3
=x(
5
2
+
3
1
+
4
1
−1)=−3
=x(
60
2×12+20+1×15−60
)=−3
=x(
60
24+20+15−60
)=−3
=x(
60
−1
)=−3
=
60
x
=3
∴x=180 km
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