Answer:
240
Step-by-step explanation:
I think hope it helps
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
18
I hope this helps
3(6-f)-4=3f-4
First is expand
18-3f-4=3f-4
Combine like terms
14-3f=3f-4
18-3f=3f
18=6f
f=3