The ratio of books to magazines at Jess s house is 5:3. If there are 21 magazines at Jess's house, how many books are there?

1 Answer
Dec 16, 2016

Answer:

There are 35 books

Explanation:

Write the ratio in fraction format.

#("books")/("magazines")->5/3-=("books")/(21)#

#" "color(green)([5/3color(red)(xx1)] =("books")/(21)#

#" "color(green)([5/3color(red)(xx7/7)] =("books")/(21)#

#" "color(green)([35/21] color(white)(.)=("books")/(21)#

There are 35 books