3 gallons of strawberry will collected by Jen in 2 hours.
<em><u>Solution:</u></em>
Jen picked of a gallon of strawberries in half an hour
Therefore,
Therefore, for one hour she picks up,
Multiply both sides of above equation by 2
She keeps picking strawberries at the same rate
<em><u>To find: Gallons will she have picked in 2 hours</u></em>
Gallons picked in 2 hour = 2 x gallons picked in 1 hour
Thus 3 gallons of strawberry will collected by Jen in 2 hours.