Question

haley spent 1/2 of an hour playing on her phone. that used up 1/9 of her battery. how long would she have to play on her phone to use the entire battery?

Answer 1

1/2 hour ------------------------ 1/9

1 hour ------------------------ 2/9

1.5 hours ----------------------- 3/9

2 hours 4/9

2,5 nours 5/9

3 hours --------------------------- 6/9

3.5 hours ----------------------- 7/9

4 hours -----------------------8/9

4.5 hours --------------------------9/9 the entire battery

He must play for 4.5 hours to use the entire battery.