Answer:
5.
Step-by-step explanation:
Use a proportion.
It can't be simplified.
Here,
a= 12
b = 6
Then,
a+b
= 12 + 6
= 18
.°. 18 is the solution
well, since a real baseball diamond is 90 feet on each side then the distance from homebase to second is 127 feet 3 3/8 inches
hope this helps :D