To mountains took 9 Hrs at x mph where x = No of miles to mountains
No of miles travelled = 9x
From mountains took 4 hours at (x+40) mph
No of miles travelled = 4(x+40)
Therefore 9x=4(x+40) thus 9x=4x+160 thus x=32 = distance Charmaine lives from the mountains
Answer:
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Using cross multiplication:

Convert a mixed number to a fraction:
Answer:
30
Step-by-step explanation:
3/(x-2)
The answer is x^2+1+3/(x-2)