Which story problem could be solved using the given equation? 13×78=m the city park has an area of 78 square kilometer. the width of the park is 13 kilometer. what is the length of the park? kai has a rope that is 78 meter long. kai cuts off a piece that is 13 meters long. how long, in meters, is the piece of rope after he cuts it? bo is carrying a bag of topsoil that is 78 full. he drops the bag and 13 of the soil pours out onto the ground. how much of the bag of soil poured onto the ground? julia has a bucket that contains 78 gallon of water. she wants to pour the water to fill some dog bowls. each bowl holds 13 gallon of liquid. how many dog bowls can julia fill with water?