a car travels at a speed of X + 30 km and one hour, where X is a known find x if this car covers 300 km in 3 hour.?
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Given Question:-
a car travels at a speed of X + 30 km and one hour, where X is a known find x if this car covers 300 km in 3 hour.?
Given:-
A car travels at a speed of (X+30) km/hr
and the car covers 300 km in 3 hours.
To find:-
Find the value of X?
Solution:-
The speed of the car=(X+30) km/hr
Distance covered by the car=300 kms
Time taken for the journey =3 hours
we know that
Distance =speed×time
=>300=(X+30)×3
=>(X+30)×3=300
=>X+30=300/3
=>X+30=100
=>X=100-30
=>X=70
Answer:-
The value of X=70 km/hr
Check:-
Speed of the car=X+30=70+30=100km/hr
Speed =Distance/time
=>Speed=300/3=100km/hr
Verified the given relation
Used formulae:-
- Distance =Speed×Time
- Speed=Distance/Time
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