17 divided by 1/3 pls help me

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal