Answer:
3 gallons
Step-by-step explanation:
3/4+3/4+3/4+3/4=3
or 3/4*4+3
there is 60 minutes in an hour and if she picked for two hours thats 120 minutes divide that by 30 you get four so then you can multiply your fraction by four or add it, up to you (you get the same answer either way). Hoped this helped a little.
