Answer:
when (1.2) is substituted into the second equation the equation is true
Step-by-step explanation:
further you substitute x and the then solve
The ratio is 12:28. Or in fraction form it’s 12/28. You can also simplify it to 3/7
In order to solve this we'll start by assigning variables to hamburgers and cheeseburgers, since these are what we're trying to find. Lets say x = hamburgers and y = cheeseburgers. So we know two things, we know that x+y= 763 (hamburgers plus cheeseburgers sold equals 763, and we know that y= x+63 (cheeseburgers sold equals 63 more than hamburgers sold). Now we have a system of equations. This can be solved most easily by rearranging each equation to each y, and then set them equal to each other:
x+y=763 -> y=763-x, and we already have y=x+63. Set them equal to each other:
x+63 = 763-x (add x to both sides) -> 2x+63 = 763 (subtract 63 from both sides) -> 2x = 700 (divide both sides by 2) x = 350. So we solved for x, which is hamburgers sold, which is what the question asks for, so your answer is 350 hamburgers were sold on Saturday
Answer
x1 = −1.768
Step-by-step explanation:
We know from the slope intercept form that y=mx+b so the y intercept is 12 while every hour the cost goes up by 8
