Use unit multipliers and set it up like this
52.68feet/hour (12 inches/1 ft) (1hour/60 min)
multiple numerators and denominators to get
632.16 inches/60 min
divide
10.536 inches/min
Since you can see that the triangle is isosceles triangle the length of the 2 side will be same
2n+9=7n-18
9+18=7n-2n
27=5n
n=27/5
Answer:
be more descriptive I have no clue what you mean
