Blake is working his way through school. he works two part time jobs for a total of 31 hours a week. job pays $5.80 per hour and job b pays $7.50 per hour. how many hours did he work at each job the week that he made $212.10 use variables x and y to set up two equations to solve the given problem

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10