College

Teddy is cutting the grass on the school field.

The field is a rectangle measuring 100 meters long and 80 meters wide. He cuts [tex]$40 \, \text{m}^2$[/tex] of grass per minute. How many minutes will it take him to cut all the grass?

Answer :

To find out how many minutes it will take Teddy to cut all the grass on the school field, we can follow these steps:

1. Determine the area of the field:
- The field is a rectangle with a length of 100 meters and a width of 80 meters.
- To find the area of a rectangle, multiply its length by its width.
- Area = Length × Width = 100 m × 80 m = 8000 square meters.

2. Understand Teddy's cutting rate:
- Teddy cuts 40 square meters of grass per minute.

3. Calculate the total time needed:
- To find out how long it will take to cut the entire area, divide the total area by the cutting rate.
- Time = Total Area / Cutting Rate = 8000 square meters / 40 square meters per minute = 200 minutes.

Therefore, it will take Teddy 200 minutes to cut all the grass on the field.