I assume the equation is supposed to be

Then we can write

Take the logarithm of base 3/8 on both sides:



- - -
If the equation is actually
, I'm afraid it cannot be solved exactly.
So the given angles are supplementary (add to 180). You take the two and add them. 21x+5+37x+1. This gets set to equal 180. 58x+6=180. Subtract 6 from both then divide by 58. You get x=3
5*8=40
40*12=480
480/30=160
Joe needs 160 tiles.
Answer:
68.75 miles
Step-by-step explanation:
12.5 x 5.5 is 68.75
Hope this helped!