Answer:
9.2
Step-by-step explanation:
put the 4 in for the c. it becomes 16. then subtract
(-1, 5) because if you plug in -1 to both equations, you should get 5 from both equations. They also cross at that point, making that the solution.
You can you 72 which would make 2/8 18/72 and 3/9 24/72 which makes the sum 42/72.
Answer: 1100
Step-by-step explanation: mark x for the total sum.
0.35x+ 0.20x + 495 = x. 495= x-0.35x-0.20x
495= 0.45x. X= 495/0.45
