Noah picks a card at random from a stack that has cards numbered 5 through 20

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

Solve the following system of equations express your answer as an ordered pair in the format (a,b) with no spaces between the numbers of symbols 5x+2y=22

You leave a $4 tip on a $24 bill at a resturaunt. to the nearest percent gratuity did you pay