Jake ran 0.534 km in all, if he ran 145 meters before lunch and 389 meters after lunch.
Explanation:
The given is,
Jake ran 145 meters before lunch.
389 meters after lunch.
Step:1
Total distance ran by Jake,
Total distance = Jake run before lunch + Jake run after lunch...(1)
Where,
Jake run before lunch = 145 meters
Jake run after lunch = 389 meters
Equation (1) becomes,
Total distance = 145 + 389
= 534
Total distance = 534 meters
Step:2
1 kilometer = 1000 meters
Total distance ran by Jake = 534 meters
=
kilometers
= 0.534
Total distance ran by Jake = 0.534 km
Result:
Jake ran 0.534 km in all, if he ran 145 meters before lunch and 389 meters after lunch.