7. A theater sells tickets for a concert. Tickets for lower-level seats sell for $30 each, and tickets
for upper-level seats sell for $20 each. The theater sells 320 tickets for $8,150. How many
tickets of each type was sold?

Pls , the question is in the picture!

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

(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 .