3gallons/ 2,100 ft = 7galloons/ X
3X= (2,100)(7)
X= (2,100)(7)/ 3
X= 4,900 ft^2
idk im not sure but i think its b
I believe its 2
Hope this helps! :)
~Zain
If you want to know how fast the professional runner is going, you need to multiply 3 1/3 by 1 1/4 since the professional is 1 1/4 times faster. So, your answer is 4 1/6.