Question

the ratio of marbles available with ravi and arjun are 3:7.its addition is 100.find number of marbles with both of them

Answer 1

Answer:

Let Ravi and Arjun have 3x and 7x

marbles resp.

According to the question,

3x + 7x = 100

10x = 100

X = 100-10

X = 10

Hence,

Ravi have = 3x3x10 = 30 marbles.

Arjun have =7x = 7 x 10 = 70 marbles.

Answer 2

Answer:

let the Marbles that Ravi have is = 3x

and Marble that Arjun have is = 7x

according to question

total marble = 100

so

3x + 7x = 100

10x = 100

x = 10

Ravi's Marble = 3x

= 3 × 10

= 30

Arjun's Marble = 7x

= 7×10

= 70

Answer is 30 and 70