Answer:
The 5 in the () is what the x is
Step-by-step explanation:
3(5)+2=17
The sum will be:
sigma(i = 1 to infinity, 30*(2/5)^i)
->

Which is equal to 30/(3/5) = 50
I think that the answer would be 4 chapters.
Sorry if I'm wrong!
Just do 10.5 × 50 and whatever answer you get label as grams
The answer is either Dr Tanenbaum or Dr hong.<span />