Answer:
6 is answer...............
The ratio of number of fiction books to total number of books that she read 12:13.
Given :
Emily reads 24 friction books and 2 nonfiction books.
Number of fiction books she read =24
Number of nofiction boos she read = 2
Total number of books = 26
To Find :
What is the ratio of the number of fiction books she read to the total number of books that she read ?
Solution :
Total number of books that she read=24+2=26
number of fiction books she read=24
Thus ratio of number of fiction books to total number of books that she read
⇒ 
⇒ 
⇒ 12: 13
Hence ratio of number of fiction books to total number of books that she read 12 : 13
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N = 4
(3)(4)-(2+4) = 12 - 6 = 6
Answer:
3c=273
c=91
2c= 212
C= 106
c= 91+ 106= 197
so they will need 197 canoes total
Why:
So first you have to determine a set variable to represent the number of canoes, I chose C. Then you make an equation to represent the number of canoes 273 people will use if they group into 3's, from this I got 3c=273. Solve for C and get 91.
The remainder of the group which is 485-273= 212 will use canoes in groups of 2's. To represent this, 2c=212. Solve for C and get 106. Combine 106 and 91 to get the total number of canoes.
Write and solve an equation of ratios:
6 inches 1 inch
-------------- = ------------
60 inches x
Cross-multiplying, 6x = 60, so x = 10 inches (answer)