Answer: 20 lawns can mowed in 7hrs
Step-by-step explanation:
Rate of the lawns to mow is [tex]\frac{5}{7}[/tex]lawns per hour.
" Rate is defined as the ratio of the comparison of two different quantity with different unit."
According to the question,
Given,
Number of hours to mow 5 lawns = 7hours
Rate of the lawns mowed = [tex]\frac{5}{7}[/tex] lawns per hour
Hence, rate of the lawns to mow is [tex]\frac{5}{7}[/tex]lawns per hour.
Learn more about rate here
https://brainly.com/question/14731228
#SPJ3
