Math, asked by parshudoshi1128, 1 year ago

in a class the number of boys is 3 upon 2 times the number of girls if there are 55 students in the class find the number of boys and girls in the class​

Answers

Answered by Anonymous
8

Answer:

There are 22 girls and 33 boys.

Step-by-step explanation:

Let b be the number of boys and g the number of girls.

We are told that:

b = (3/2) g

b + g = 55

Substituting the first equation into the second:

(3/2) g  + g = 55

=> (5/2) g = 55

=> g = 55 × 2 / 5 = 11 × 2 = 22

and b = 55 - g = 55 - 22 = 33.


parshudoshi1128: plz write in full form
Anonymous: ?? "full form"? This is already a detailed step-by-step explanation.
parshudoshi1128: how you got 5 upon 2
Anonymous: 3/2 + 1 = 5/2
Anonymous: Sorry, maybe this is more helpful.... 3/2 + 1 = 3/2 + 2/2 = ( 3 + 2 ) / 2 = 5 /2
parshudoshi1128: how 11×2 =22 came
Anonymous: With 55x2 in the numerator and 5 in the denominator, cancelling the common factor of 5 leaves you with 11x2.
Answered by dishabucha
7

Answer:

Step-by-step explanation:

Let the no. of girls be x, boys = 3x / 2

X + 3x/2 =55

2x+3x /2 =55

5x = 110

X = 110/5 = 22

Girls = 22 , boys = 3x/2 = 3×22/2 = 33


dishabucha: Plz mark as brainliest
parshudoshi1128: how you got 2x
dishabucha: On taking LCM ofx + 3x /2
dishabucha: mark as brainliest plz
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