C=300+1200x-100x. Find x if the total cost is 3,000
3,000 = 300 + 1200x -100x
3000 = 300 + 1100x
2700 = 1100x
2700÷1100=x
x=27/11
x = 2 5/11
Round to 3
Answer:
I believe the answer is A.
Answer:
420
Step-by-step explanation:
(12 x 7) x (1+4)
84 x 5
=420
Ok so the answer to this was a bit tricky but it is 1,8