Katie needs to solve the equation below for b. Which correctly describes the first step? 6a – 3b = 27

A. Subtract 6a from both sides

B. Add 3 to both sides

C. Subtract 6 from both sides

D. Divide both sides by -3

At the movie theatre, child admission is $5.20 and adult admission is $9.70. on sunday three time as many adult tickets as child tickets were sold, for a total sales of $788.90. how many child tickets were sold that day?