How many cups of water will Billy use to fill a 9-liter bucket if one cup holds of a liter of water

Step-by-step explanation:

or i dont know billy can just use a hose  and p.s it will take 9 cups

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.