Question

A ball rolled 258 feet in 2 minutes. What was the balls average speed, in feet per second?

Answer 1

2.15 ft/sec

Explanation:

the unit rate was:

258 ft

------------

2 min

We don't have to complete the math here; we do need to convert to feet per second. Do this by mult. the above fraction by

1 min

-----------

60 sec

obtaining:

258 ft 1 min

------------ * ------------ = 2.15 ft/sec

2 min 60 sec

Answer 2

2.15 seconds

Explanation:

So 2 minutes = 120 seconds because 1min. equal to 60 seconds

So 258 ft. divided by 120 equals to 2.15 fps (feets per second)