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
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Answer:
the answer for this questionis 93(68+7)
Answer:
I'm not completely sure but try either 3x - 7
or 3 - 7x
Step-by-step explanation:
Hope one of them helps!
