15 points
for a community breakfast there should be at least
three times as much regular coffee as decaffeinated
coffee. a total of ten gallons is sufficient for the
breakfast. write and graph a system of inequalities
to model the problem.
show your work.

i dont know

step-by-step explanation:

i can you answer this question sweetie!

step-by-step explanation:

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.