Question

The times for Erin’s five laps around the track were 56.6 seconds, 57.9 seconds, 57.5 seconds, 65.3 seconds, and 65.7 seconds. Using rounding to the nearest whole second as the only estimation technique, what is the total estimated time for Erin’s five laps in seconds?

Answer 1

304

Explanation:

Answer 2

say the first 3 were 60 seconds and the other 2 were 70 seconds

that comes to 180 sec. and 140 sec. 180+140=320

320 seconds