Answer:
2400 words
Step-by-step explanation:
80 = 2 min
60min ÷ 2min = 30min
30 × 80 = 2400 words
Answer:
6
Step-by-step explanation:
Step-by-step explanation:
The answer is provided in the options. The answer should have been A, if the question was 3x²-27.
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.