Question

Manuel is filling water balloons at a constant rate of 3 water balloons per minute with the given information which of these statements is a reasonable conclusion

Answer 1

3 water balloons per minute

1/2 hour = 30 minutes
so
3 x 30 = 90 balloons in 30 minutes

answer is.
Bottom left
There will be 90 water balloons filled after 1/2 hour