10. Asubmarine started at the surface of the ocean and began diving - 15 kilometers per minute towards the ocean floor. The submarine traveled at this rate for 48 minutes before
coming to rest. What is the depth, in kilometers, of the submarine resting on the ocean floor?
Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

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?