Question

what is the percentage of boys in a class if there 20 girls out of 60 total students​

Answer 1

ANSWER:-

66.66%

HOPE IT WILL HELP YOU.

STEP BY STEP EXPLANATION:-

FIRST,

LET THE BOYS OF THE CLASS BE=X

AND GIRLS=20 (Given)

FIRST LET'S SEE HOW MANY BOYS ARE THERE

TOTAL NO. OF STUDENTS IN THE CLASS=60

BOYS+GIRLS=60

=>X+20=60

=>X=60-20

=>X=40

SO,There are 40 boys in the class.

FRACTION OF GIRLS IN THE CLASS:-

=>20/60=1/3

FRACTION OF BOYS IN THE CLASS:-

=>40/60=2/3

SO THE PERCENTAGE OF BOYS WILL BE

=>100÷3=33.333

=>33.33×2=66.66%

Answer 2

Answer:

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66.6 %

Step-by-step explanation:

$\hookrightarrow$ Here, given that Total no. of students = 60

Also

No. of girls = 20 (given)

$\therefore$ %age of girls = $\frac{20}{60} \times 100 = 33.4\%$

Hence, %age of boys = 100 - 33.4

$\implies$ 66.6 %.