62.3k views
0 votes
David and Mark are marking papers each set takes David 61 minutes and Mark 1 hour express the times David and Mark take as a ratio in its simplest form

User Fstab
by
6.7k points

1 Answer

6 votes

Answer if its not 65:1 is 30:55

Explanation:

User Jbernadas
by
7.1k points