Question

bool is 130. The ratio of girls to boys is 2:3. Find the
Find the ratio of
The total number of students in a school is 130. The rati
(1) the number of boys to the total number of students.
(11) the total number of students to the number of girls.
(ui) the number of boys to the number of girls.
1​

Answer 1

Answer:

52 and 78

Step-by-step explanation:

Let no. of boys and girls be x

i.e 2x and 3x

Acc. to statement

2x + 3x = 130

5x = 130

x = 26

Therefore, 2x=2X26=52

3x=3X26=78

Answer 2

Answer:

I, II, III ans

Step-by-step explanation:

(a)...2x+3x= 130

5x=130

x=130/5

x=26

3*26=78

boys are= 78

total stdnts =130

ratio of boys to total stdnts.

78/130=39/65

(b) .... 2x = no. of girls

2*26=52

no of st to no of girls = 52/130

26/65

(c).... no of girls=52

no. of boys=78

ratio of boys to girls=78/52 =15/10