Answer:
10.99
Step-by-step explanation:
![tan20 = \frac{ac}{bc} \\ bc = \frac{ac}{tan20} \\ = \frac{4}{tan20} \\ = 10.99](https://tex.z-dn.net/?f=tan20%20%3D%20%20%5Cfrac%7Bac%7D%7Bbc%7D%20%20%5C%5C%20bc%20%3D%20%20%5Cfrac%7Bac%7D%7Btan20%7D%20%20%5C%5C%20%20%3D%20%20%5Cfrac%7B4%7D%7Btan20%7D%20%20%5C%5C%20%20%3D%2010.99)
where you see tan20 the 20 has a degree sign on top
+++++++++++++++++(•‿•)
Your answer is going to be 234.
78 x 3 = 234
3/4 + 3/8= 9/8
9/8 - 5/8 = 4/8 or 2/4 or 1/2
Hope this helps!
The equation is
9 × g = 162
9g = 162
Solving foe Gall's age,
9g = 162
g = 162 ÷ 9
g = 18