What can you determine from these data tables?

Sonia
Number of Problems
Minutes of Writing
6
120
18
360
25
500
60
1,200
Maryna
Number of Problems
Minutes of Writing
8
200
15
375
20
500
50
1,250
answer choice

Sonia spent more time writing per problem at the unit rate of 20 min1 problem
.
Sonia spent more time writing per problem at the unit rate of 20 min1 problem
.

Maryna spent less time writing per problem at the unit rate of 1 problem25 min
.
Maryna spent less time writing per problem at the unit rate of 1 problem25 min
.

Sonia spent the same amount of time as Maryna at the unit rate of 25 min1 problem
.
Sonia spent the same amount of time as Maryna at the unit rate of 25 min1 problem
.

Maryna spent more time writing per problem at the unit rate of 25 min1 problem
.

Sonia spent more time writing per problem at the unit rate of 20 min/1 problem.