Answer:
(3x5)+(3x-1) = 15+(-3)= 12
Step-by-step explanation:
There you go :)
Given that:
James is 6 times older than his friend Zach, if Zach added 8 to his age and multiplied this sum by 3 .
To find:
The equation that can be used to solve for zach's age.
Solution:
Let the age of zach be Z.
Zach added 8 to his age = Z+8
And multiplied this sum by 3 = 3(Z+8)
James is 6 times older than his friend Zach = 6Z
Now,



Divide both sides by 3.

Therefore, the required equation is
is age of zach is 8 years.
Answer: 8
Step-by-step explanation: if you count the angels and the sides then you'll get the answer 8..
91.5 is the perimeter. It's just 5a.