Question 755646
28 miles on 1 gallon of gasoline 350 miles on y gallons of gasoline?


28/1=350/y

Now cross multiply:

28y=350
y=12.5



what fraction would you use to find 66 2/3% of 72?


I would use .666 or .667.



28.5 is what percent of 20?


x%*20=28.5

x%=28.5/20
x=143%


Hope this helps!