A museum opened at 8 AM in the first hour 350 people purchased admission tickets in the second hour 20% more people purchase adm
ission tickets then in the first hour each admission ticket cost $17.50 what was the total amount of money paid for all the tickets purchased in the first two hours
We can use completing the square.We add 16 and subtract 7 to both sides. Now we get m^2+8m+16=9. The left sides becomes (m+4)^2=9. Taking the square root of both sides and subtracting 4 we get -1 and -7.