# math

the ratio to the number of mystery books to the number of science fiction books is 4:3
the ratio of the number of science fiction books to the number of biographies is 4:5
if there are 48 science fiction books, find the total number of books using bar model

1. 👍 0
2. 👎 0
3. 👁 638
1. m/sf = 4/3
sf/b = 4/5

sf = 48, so

m/48 = 4/3
m = 64

48/b = 4/5
b = 60

sf+m+b = 48+64+60 = 172

maybe you can fit that into your bar model.

1. 👍 1
2. 👎 0
posted by Steve
2. This makes no sense dont put on this site if you dony show your work

1. 👍 0
2. 👎 1
posted by Jamie

## Similar Questions

1. ### math

John has \$20 to spend at a used bookstore. He wants to buy twice as many science fiction books as mystery books. Mystery books sell for \$1.25. Science fiction books sell for \$1.75. Tax is included in the prices. What is the

asked by edgard on January 30, 2017
2. ### math

The ratio of mystery books to the number of science fiction books is 4:3. The number of sci-fi books to the number of biographies is 4:5. If there are 48 sci-fi books what is the total number of books

asked by Ben on January 24, 2013
3. ### Algebra

I am so confused with some word problems math is not my strong point here is the problem if you know how to solve it please tell me how to solve but just don't give me the answer Austin has 42 paperback books that are either

asked by danielle on August 23, 2005
4. ### Math-Ratios

In a college library, there are 4 times as many nonfiction books as fiction books. A.Find the ratio of the number of nonfiction books to the number of fiction books. B.How many times the number of nonfiction books is the number of

asked by Elizabeth on January 19, 2017
5. ### math

BOOKS A library contains 2000 books. There are 3 times as many non-fiction books as fiction books. Write and solve a system of equations to determine the number of non-fiction and fiction books.

asked by Sally on April 4, 2016
6. ### math

Hector owns science fiction novels, coming c books, and mystery novels. He has half as many science fiction novels as comic books and he has three times as many mystery novels as comic books. If he owns a totals of 54 books how

asked by Cole on April 17, 2011
7. ### math

the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books but 190 more than the number of picture books. how many books of each type are there in the library?

asked by shohanur on March 30, 2013
8. ### math

the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books but 190 more than the number of picture books. how many books of each type are there in the library?

asked by shohanur on March 30, 2013
9. ### math

the library has a total collection of 2630 books. the number of non-fiction books is 240 fewer than the number of fiction books but 190 more than the number of picture books. how many books of each type are there in the library?

asked by shohanur on March 30, 2013
10. ### Math

Practice Dividing by 9 History : 72 Art: 81 Science: 54 Travel: 63 Fiction: 90 Biography: 45 Poetry: 27 Cooking: 36 1/Raul might put an equal number of each kind of book on 9 shelves. How many types of books will have an even

asked by Nawaf on December 28, 2013

More Similar Questions