Answer:
a = 12
Step-by-step explanation:

Convert element into fraction : 3= 3/1

Cross multiply

Answer:
55.560
Step-by-step explanation:
I imputed the equation in my calculator
Answer:
4 1/2
Step-by-step explanation:
Just do the math work it out on paper and check it!
Isn’t it supposed to be a minus sign? For it can be like w-2, w-2 ?