Find the indicated measure round answers to the nearest hundredth

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

How many $20 bills do you need to have to make $280

Solve the given system of equations. 2y= -x+9 , 3x-6= -15