Question

lee spent 10 hours at the pool last week. She practiced the butterfly for 2 hours, the breaststrake for 5 hours and the backstroke for 3 hours. this week she only has 5 hpurs to spend at the pool. she wanta to keep the same percentage pd time spent on eaxf stroke. how many hours will she practice the breaststroke

Answer 1

2.5 hours

1) Find the percentage practiced of each stroke in the 10 hours last week
Butterfly - 20% Breaststroke - 50% Backstroke - 30%
2) Find 50% of 5 hours is, 2.5 hours, or 150 minutes