Question

in a school. the radio. of boys and girls is 4: 3 , if the no. of boys are 120 find school strength.​

Answer 1

Answer:

hope this answer helps

Answer 2

GIVEN THAT

THE RATIO GIVEN IS =4:3

IT CAN BE TAKEN AS=4x:3x

THE RATIO OF BOYS =4x

ALSO GIVEN THAT

THE NUMBER OF BOYS =120

120=4x

x=120/4

x=30

THE NUMBER OF GIRLS =3x

THE NUMBER OF GIRLS =3(30)

THE NUMBER OF GIRLS =90

TOTAL STRENGTH =120+90

TOTAL STRENGTH =210

THE TOTAL STRENGTH =210