Verified Solution Mathematics Fractions

A marathon runner completed 3/10 of the race in the first hour and 2/5 in the second hour. If the total distance is 40 km, how many kilometers did he run in the first two hours?

5 views 1 helpful Updated Jul 8, 2026
Solution ✔ Verified
  • A12 km
  • B16 km
  • C28 km
  • D32 km
Explanation

Fraction of race completed = 3/10 + 2/5 = 3/10 + 4/10 = 7/10. Distance run = (7/10) * 40 km = 7 * 4 = 28 km.

Was this solution helpful?
1
Practice MCQs on Fractions — test yourself with instant answers. Practice MCQs