Question

Carlson can mow and trim 3 lawns every 5 days. at this rate, how many lawns can Carlton mow and trim in 35 days

Answer 1

In 35 days, he can mow 21 lawns (5*7 = 35 and 3*7 = 21).

Answer 2

3:5=x:35
21 Lawns because you multiply the 5 by 7 and then the 3 by 7