I’m confused he and she are competing in a 42 mile race. he has already finished 18 miles of the race and is traveling at a constant speed of 12 miles per hour. she starts at 16 miles per hour. equation: 18+12x= 0+ 16x (x= 4.5 hrs) at what constant speed could wanda travel to catch up with hector at the finish line

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.