Question

In a class, there are 60 students. for every 8 students learning judo there are 4 students who learn karate. for every 14 students learning judo there are 7 students who learn both judo and karate and 7 students learning none.

Answer 1

51 and 9...................

Answer 2

Answer:

Hey Mate,

The explanation of your question is :

Total Students Taken = 60 Student's

Judo : Karate = 8 : 4

=>  2 : 1

Judo : Both : None = 14 : 7 : 7

=> 2 : 1 : 1  => 2X, X, X                   #(Remove Ratio)

=> 2x + x + x = 4x = 60

=> x = 15  

So,

• 30 students learn only Judo.
• None learn only Karate.
• 15 students learn both.