Answer:
this is very hard i donof solve it
Step-by-step explanation:
sorrry
Answer: The required number of books that Ruben had before purchases is 50.
Step-by-step explanation: Given that Ruben bought 6 new books for his collection that increased his collection by 12%.
We are to find the number of books that Ruben had before purchases.
Let x denotes the number of books that Ruben had before purchases.
Then, according to the given information, we have

Thus, the required number of books that Ruben had before purchases is 50.
The blank is equal to 3/14
P ≥ 53.
p (the number of people) is at least (so, greater than or equal to) 53