A rectangular swimming pool is 8 deep. One side of the pool is 2.5 times longer than the other. The amount of water needed to fil the swimming pool is 1280 cubic feet. Find the dimensions of the pool. What is the smaller dimension of the pool

What is the larger dimension of the pool

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?