Question

e: A ratio equivalent to 3:7 is 9:21.​

Answer 1

Answer:

two equivalent ratios for 3:7 are;

3:7 can also be written as 3/7.

Now multiplying 2/2 to 3/7 we have;

3/7×2/2=6/14

therefore 6:14is an equivalent ratio for 3/4.

Again multiplying 3/3to 3/7we have,

3/7×3/3=9/21

Therefore 9:21 is another equivalent ratio for 3/7.

Therefore Required ratios are 6:14 and 9:21.

Answer 2

Step-by-step explanation:

3:7=3/7

similarly,

9:21=9/21

= 3/7

it means both equations are equivalent

hope It's helpful