Question

a jar contains white,red and green marbels in the ratios 2:3:5 . six more green marbles are added to the jars and then the ratio becomes 2:3:7 . how many white marbles are there in the jar?? ​

Answer 1

Step-by-step explanation:

let jar contain

2x,3x,5x white,red,and green marbles

atq

2x/5x+6=2/7

7x=5x+6

2x==6

x=6/2=3

white marbles is 2x=2×3=6

Answer 2

There are 6 white marbles.

Step-by-step explanation:

Since we have given that

Ratio of white, red and green = 2:3:5

So, Number of white marbles = 2x

Number of red marbles = 3x

Number of green marbles = 5x

Since 6 more green marbles are added to the jars.

Ratio of white, red and green = 2:3:7

Number of white marbles =2x

Number of red marbles = 3x

Number of green marbles = 7x

According to question, we get that

$5x+6=7x\\\\6=7x-5x\\\\6=2x\\\\x=\dfrac{6}{2}\\\\x=3$

Number of white marbles would be

$2x=2\times 3=6$

Hence, there are 6 white marbles.

# learn more:

A jar contains 3 red marbles, 7 green marbles and 10 white marbles. if a marble is drawn from the jar at random, what is the probability that this marble is white

https://brainly.in/question/1378345