50 children can go to the park before they run out of balloons.
Step-by-step explanation:
If each child gets 3 balloons each, there will be 50 kids who can go in the park before they run out of balloons. 150 (balloons given out in total) / 3 (number of balloons <u>each</u> child receives) = 50 (number of children who can go into the park before balloons run out.)
