Answer:
B
Explanation:
pequeña means little
My grandfather was a math professor for 50 years.
r=6
4(r+4)=10r-20
now solve for r.
4r+16=10r-20
-4r -4r
16=6r-20
+20 +20
36=6r
/6 /6
6=r
yo pienso que es verdad
I had to translate lol