(3*z) +13
I believe this is correct
The radius of the <span>circumference of 16 pi cm</span> is 8
Sydney's age = x
Devaughn's age= 3x
So you get the equation:
x+3x=24
4x=24 (combine like terms)
x=6 (divide both sides by 4)
2.07 hours x 60 minutes
----------------
1 hour
124.2 minutes x 60 seconds
----------------
1 minutes
7452 seconds
