Explain how you can use a number line to show that 3/6 and 1/2 are equivalent fractions

Number line

1/2
'

'
3/6

3/6 is equivalent to 1/2. This is because 3/6 can be simplified to 1/2. You can use a number to represent that both numbers are equivalent to each other but is written differently.

Ithink it’s b because it say 3 plastic rings and all the balls