Question

A bag of marble contain green,red and blue marble in the ratio 7 : 8 : 5 find the precentage of green marble in the bag.​

Answer 1

Step-by-step explanation:

let the green marble= 7x

let the red marble=8x

let the blue marble=5x

total m

marbles=7x+8x+5x

=20x

now,

let p percentage of green marbles is in the bag

so,

p/100 ×20x = 7x

p= 7x/20x × 100

p=35percent

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