1647. 1 hour=60 minutes. John can mow 247 square feet per minute, so he can mow 60*247=14820 square feet per hour. 1 yard=3 feet, so 1 square yard =3^2=9 square feet, so in the same duration of time, John can mow 14820/9=1647 square yards (approximately) per hour.
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Answer:
6
Step-by-step explanation:
Because 5.8 is closer to 6 than it is to 5.
Using the given formula, replace sa with the given surface areas and solve for s:
Surface area = 1200
s = √1200/6
s = √200
s = 14.142
Surface area = 768
s = √768/6
s = √128
s = 11.313
Difference:
14.142 - 11.313 = 2.829 inches
Round answer as needed.
