Since Carrie jared 13 liters of jam in 9 days, all you have to do is divide the number of liters, 13, by the number of days, 9, which equals 1.44444444444. Then, multiply 1.44444444444 by 10 days to get how many liters of jam Carrie could jar in 10 days, which is 14.4444444444 liters of jam.
