Question

In a certain class, the ratio of passing students to failing students is 7: 5. If there are 36 students, how many students passed the course

Answer 1

Step-by-step explanation:

Let 7x and 5x be the passing and failing marks

Total student=36

7x+5x=36

12x= 36

x=36/12=3

therefore, passing student- 7×3=21

Answer 2

꧁༺Question༻꧂

In a certain class,the ratioof passing students to falling students is 7:5.If there are 36 students.How many students passed the course??

꧁༺Answer༻꧂

Given:

Ratio of passing students to falling students=7:5

Total number of students=36 students

To find:

Number of passing students

Proof:

Number of passing students=7x

Number of falling students=5x

Total number of students=36 students

So,

➠7x+5x=36 students

➠12x=36 students

➠x=36/12

➠x=3 students

Then,

Number of passing students=7x=7×3=21 students

Hence,

Number of passing students is 21 students.