Answer:
The answer is 19.25
Step-by-step explanation:
<u>Key skills needed: Fraction operations, decimal conversion</u>
1) We are given the hint to use 9 as "b", and we get:
--->
Let's do 
-->
is the same as
÷ 
16 divide by 8 is 2.
2) This means that it would be --->
which is simply 2 times 9.
2 times 9 = 9 + 9 = 18
3) With that result, it would be ---> 
Now, do
(10 divided by 8) ---> Get 1.25
4) 18 + 1.25 = 19.25, so -->
is the answer
<em>Hope you understood and have a nice day!! :D</em>