Which two ratios form a proportion?(1 point)

Question

Responses

1/2
and 8/4
1 half and 8 fourths

2/1
and 16/8
2 over 1 and 1/6 eighths

1/2
and 4/2
1 half and 4 halves

2/1
and 4/8

Answer 1

2 over 1 and 4 over 8.