Paul bought 9 total shirts for a total of $72. tee shirts cost $10 and long sleeve shirts cost $7. how many of each type of shirt did he buy?

a. 7 tee shirts and 2 long sleeve shirts
b. 3 tee shirts and 6 long sleeve shirts
c. 4 tee shirts and 5 long sleeve shirts
d. 5 tee shirts and 4 long sleeve shirts
plese

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

50 points~ ! i have to turn this in tomarrow