Question

The ratio of red beads to green beads is 2:3. How many red beads are needed to go with 21 green beads?​

Answer 1

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Total 14 red beads are needed to go with 21 green beads.

Step-by-step explanation:

The ratio of the red beads to green beads is 2:3

Let the ratio be x

So , The red beads = 2x

Green beads = 3x

We are given that there are 12 red beads

So , 12x = 12

x = 6

Green beads = 3x = 3(6)=18

So, 18 green beads are needed to go with 12 red beads.

If there are 21 green beads.

So , 3x=21

x = 7

Red beads = 2x = 2(7)=14

So, 14 red beads are needed to go with 21 green beads.