A fraction is a way to describe a part of a whole. The time it was taken by Ralph to mow the lawn by himself is 12 hours.
A fraction is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25.
Given that Tom can mow a large estate's lawn in 6 hours. Therefore, the area of lawn that Tom can mow in 4 hours can be written as,
[tex]\text{Area of lawn mowed by Tom} = \dfrac46[/tex]
Now, the area of the lawn that is mowed by Ralph can be written as,
[tex]\text{Area of lawn mowed by Ralph} = \dfrac26[/tex]
Since it took 4 hours to mow 2/6 of the lawn by Ralph, therefore, the total time taken by Ralph to lawn the complete area will be thrice 4 hours.
Hence, the time it was taken by Ralph to mow the lawn by himself is 12 hours.
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