A bag contains red and green balls. If the number of red balls is five more than twice of green balls and total number of red and green balls is 35, find the number of red balls.

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Solution

The correct option is D 25
Let the number of green balls = x
The number of red balls = 2x + 5
Total number of red and green balls = x + 2x + 5
35 = 3x + 5
Transfer 5 to the left side
30 = 3x
Divide both the sides by 3
x = 10
So, the number of red balls = 2(10) + 5 = 25

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A bag contains red and green balls. If the number of red balls is five more than twice of green balls and total number of red and green balls is 35, find the number of red balls.

The correct option is D 25Let the number of green balls = x The number of red balls = 2x + 5 Total number of red and green balls = x + 2x + 5 35 = 3x + 5 Transfer 5 to the left side 30 = 3x Divide both the sides by 3 x = 10 So, the number of red balls = 2(10) + 5 = 25

The correct option is D 25
Let the number of green balls = x
The number of red balls = 2x + 5
Total number of red and green balls = x + 2x + 5
35 = 3x + 5
Transfer 5 to the left side
30 = 3x
Divide both the sides by 3
x = 10
So, the number of red balls = 2(10) + 5 = 25