Question

All front and backyards in Alan's neighborhood are equal in size. Alan can mow his front and back lawns combined in about 45 minutes. If he is to mow both his front and backyard, along with the neighbor's front yard, how long will it take Alan?

Answer 1

45 minutes plus 45/2 minutes because of the fact that all the lawns are equal in size and he is mowing 1 1/2 full lawns with a full lawn taking 45 minutes

Answer 2

Answer: 67.5 minutes

Step-by-step explanation:

Since the front and backyard are the same size, then Alan will take the same time mowing them. So, if he takes 45 minutes mowing both of them, that means that he took half the time mowing the front and the other half mowing the backyard.

$\frac{45}{2} =22.5$

The neighbor's front yard is the same size as well, so it will take him the same time.

$45+22.5=67.5$

Then, the total time that Alan takes mowing the three yards is 67.5 minutes.