What are the three ways to write the ratio 7 to 10

14

20

and  

21

30

Explanation:

A ratio can be expressed in 2 ways. Using a 'colon' or as a fraction.

That is 7 : 10 (reads 7 to 10) or  

7

10

To find equivalent ratios it is probably best to use fraction form.

7

10

is in  

simplest form

This means that no other number, apart from 1, will divide into 7 and 10.

In this case we can choose any number to multiply the numerator and denominator, to create equivalent ratios.

Choosing 2

⇒

7

×

2

10

×

2

=

14

20

←

equivalent ratio

Choosing 3

⇒

7

×

3

10

×

3

=

21

30

←

equivalent ratio

i think it is 18

step-by-step explanation: