Question

total number of planted plants are 152 a group of boys 3 more than girls each boy plant 4 trees n each girl plant 3 trees what is the number of boys?

plz do tell it​
with working

Answer 1

Given,

Total trees planted = 152

number of girls = ? (Lets suppose x )

number of boys = ( x + 3 )          {Reason: 3 more than girls(x) = x+3 }

Each plantation by boy = 4 trees

Each plantation by girls = 3 trees

Now ,

we know that,

Total Trees = Trees planted by boys + Trees planted by girls

152 = ( number of boys * unit plantation) + ( number of girls * unit plantation)

152 = ( (x+3) * 4 ) + ( x * 3 )

152 = ( 4x + 12 ) + 3x

152 = 4x + 3x + 12

152 - 12 = 7x

140 = 7x

x = 20

Finally, number of boys = x+3 = 23

            number of girls = x = 20

Answer 2

Answer:

Number of boys = 23

Step-by-step explanation:

let number of boys be x and girls be y

X = Y + 3

4X + 3Y = 152

4(Y + 3) + 3Y = 152

7Y + 12 = 152

7Y = 140

Y = 20

X = Y + 3

X = 20 + 3

X = 23

Number of boys = 23

Number of girls = 20

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