black: red = 2:5 Cards in a pack are black or red in the ratio What fraction of the cards are red? homo No.
Mathematics · Middle School · Thu Feb 04 2021
Answered on
Given the statement:
Cards in a pack are black or red in the ratio black: red = 2:5
Determine what fraction of the cards are red.
Solution:
Since the given ratio of proportionality is written as ratio of black to red = 2:5, then we can write the ratio of red in fraction form as, 5/2. This is due to the proportion 2:5, when interchange 5:2.
=5/2
Final answer:
Fraction of red cards = 5/2