HELP!! out of the 4,500 people Who attended the rock concert 46% purchased a shirt how many people bought t-shirts??

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Evaluate the expression. (9 + 5)(3 + 2)0