The answer will be 141 adults
"Completing the square" is a step in the solution of quadratic equations. It can be accomplished without the guesswork or trial-and-error associated with methods like factoring, and it always leads to a solution. It is the method by which the quadratic formula is derived.
Rent for 6 hours = 21
rent for a hour = 21/6
= $3.5
Try 9cm but I’m not quite sure please reply if it’s wrong or right
