St. Patrick School's 7th grade practice worksheet for the 2009-2010 school year contains 5 math problems for students to solve. The problems include calculating the cost of 15 T-shirts based on 5 costing $25, determining the size of a model based on a given scale factor, finding the cost of 16 pizzas if 4 cost $16, figuring out the number of gray mice if the ratio of brown to gray is 1:2 and there are 63 total mice, and drawing a number line from 0 to 10 and placing given fractions on it.