Answer:
r=35ft, d=70ft. when r=15 mm, d=30mm
Step-by-step explanation:
Radius is half of diameter
-23/2
x-5=3(x+6)
x-3x=18+5
-2x=23
x=-23/2
subtract 9 from both sides
m + 9 = 45 ( subtract 9 from both sides )
m = 36