2 4 0
12 4 3
1 3 36
? 91 ?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Emmanuel added 888 links per minute to his chain mail. allesia started 202020 minutes after emmanuel and added 131313 links per minute to her chain mail. how long had emmanuel worked when allesia caught up to him, and how many links had he added?