Help please its like 440 in the morning lol : the length of a rectangular prism is four times the width. The height of the prism is 8ft. If the volume of the prism is 160ft^3, what is the width of the prism? Round to the nearest 10th of a foot. Thank you!​

An architect builds a model of a park in the shape of a rectangle. the model is 40.64 centimeters long and 66.04 centimeters wide. one inch equals 2.54 centimeters. use the ratio table to find the ratio of the length to the sum of the length and width in inches and in simplest form. length 40.64 width 66.04 a. 8: 21 b. 13: 21 c. 21: 13 d. 21: 8