Express the following relationship as a rate. selling 27 sandwiches in 3 hours 27 sandwiches per hour 54 sandwiches in 6 hours 9 sandwiches per hour 9 sandwiches in 3 hours

what is the original number? you forgot to add it.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.