Andrew and his cousin Emily are picking apples in their grandparents' orchard. Andrew has filled 15 baskets with apples and is filling them at a rate of 1 basket per hour. Emily
has 13 full baskets and will continue picking at 3 baskets per hour. Once the cousins get
to the point where they have filled the same number of baskets, they will carry them to
the barn and then eat lunch. How much fruit will they have picked by then? How long
will that take