Step-by-step explanation:

Hey,
If you were to divide 137/7 it would be it would be 19 or if you wont a decimal it would be 19.5
I Hoped that Helped
Do long division but the answer is 2/7 or 0.2857
Let x be the number of square feet to be mowed
215 square feet take 22 minutes
x square feet take 12 minutes
2876 Rounds To 3000
513 Rounds To 500
18 Rounds To 20
Then multiply:
3000x500x20= 30,000,000
Hope i helped :)