Alfred can mow a lawn in 6 hours. Brad can do it in 5 hours. Carlos can do it in 3 hours, and Davis can mow the lawn in 2 hours.
How long, in minutes, will it take all of them working together to
mow the lawn?

What is the greatest common factor of 8 and 36

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?