Question

A jar contains red and black marbles in the ratio 2:3. If there are 40 red marbles. Find total no.of marbles in the jar. ​

Answer 1

Step-by-step explanation:

Let ratio be 2x:3x where x is variable constant

Given no of marble = 40

ACCORDING TO QUESTION

2x=40

==> x=20

SOLUTION

Total number of marble =2x+3x

=5x

We have the vaue of x

Total no of marble = 5x

=5 × 20 (as x is 20)

=100

Answer- Total number of marbles in the. jar is 100

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