I know that when you are explaining, you need to add in all of the work that you did.
Answer:
c
Step-by-step explanation:
S=B+1/2Pl
-b from both sides
s-b=1/2Pl
x2 to both sides
2(S-B)=Pl
divide both sides by l
you get c
Four and seven hundredths
Fifteen and thirty eight hundredths
One hundred and sixty nine thousandths
Seven and two hundred and five thousandths
Nine and one tenth
Twelve and eighty six hundreths
Millimeters, centimeters, inches, yards, meters