Question

Finn is swimming at a constant speed.

The table compares Finn's distance from the starting point (in meters) and the time since he started (in seconds).

Time(seconds) Distance (meters)
7.25 11/6
15.25 24.4
23.25 37.2

How long does it take him to swim 505050 meters?
____ seconds

Answer 1

31.25 seconds

Explanation:

Examine division

11.6 + 24.4 = 36 m < 50m

and 36 + 37.2 - 73.2m > 50m

50 - 36 = 14m

14 * 23.25/37.2 = 8.75 seconds

7.25 + 15.25 + 8.75 = 31.25 seconds

so it would take him 31.25 seconds to swim 50 meters.