. At 9 am on a regular school day, there are 35 students in the library. If for every 30 minutes, 5 students will leave, but 2 students will come, at what time will there be no more students in
the library?

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