Growth of a pumpkin each crate can hold 18 pumpkins. the quotient is equals the growth rate of the pumpkin in ounces per week. the pumpkin grew at a rate of 6 ounces per one week the pumpkin grew to a weight of 3 ounces in 18 weeks. in 3 weeks, the pumpkin grew to a weight of 18 ounces.