Answer:
I don't know sorry it even very hard and diffult for a high school kid
#2
8/20=12/x Cross multiply 8x=20×12 8x=240 Now divide
X = 240÷8 X=30
So 30 ft
Answer:
r=20
Step-by-step explanation:
to get rid of the division part, you multiply 6 each side. now you have r+10=30. to solve, now you subtract 10 from both sides. this gives you r=20 :)