Jen picked 3/4 of a gallon of strawberries in half an hour. if she keeps picking strawberries at the same rate, how many gallons will she have picked in 2 hours ?

3/4 gallon in half hour. That means 4 * 3/4 in two hours . So she will have picked 3 gallons of strawberries in 2 hours.

Well following the directions you have provided me I would say that Jen will have 3 Gallons of strawberries. Work: So the fraction 3/4 can be converted into decimals which is .75 and since she got that many in half and hour ( 30 minutes) we can do two set of .75 for each hour, after we do the math we end up with 4 sets in total of .75 since she had 2 hours to work. Equation .75*4=3 

I hope this helped you out!