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

Based on the tables showing the number of minutes two writers spent writing math problems for two different lessons, who spent more time writing per problem? Write the answer in unit rate form. 

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

Maryna spent less time writing per problem at the unit rate of 1 min.25 problems. 
Maryna spent less time writing per problem at the unit rate of 1 min.25 problems. 

Sonia spent the same amount of time as Maryna time writing per problem at the unit rate of 25 min.1 problem.
Sonia spent the same amount of time as Maryna time writing per problem at the unit rate of 25 min.1 problem.

Maryna spent more time writing per problem at the the unite rate of 25min.1 problem . 

Maryna spent more time writing per problem at the unit rate of 25 min. 1 problem.