Naoya read a book cover to cover in a single session, at a rate of 55 pages per hour. After reading for 4 hours, he had 330 page
2 answers:
Answer: There are 550 pages in the book
Explanation:
Since we have given that
Number of pages per hour Naoya read = 55
Number of hours he read the book = 4
Total number of pages he read is given by
Still there are some pages are left ,
Number of pages left = 330
So, total number of pages in the book is given by
Hence, there are 550 pages in the book .
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Answer: There are 99 three-legged-cows and 28 chickens.
Step-by-step explanation:
Let x be the number of three-legged-cows and y be the number of chickens.
Number of legs in chicken = 2
The according to the question, we have the following equations :-
Multiplying 2 to the equation (1), we get
Now, subtract equation (3) from (2), we get
Put x= 99 in (1), we get
Hence, there are 99 three-legged-cows and 28 chickens.