Ihave a 84% in class, there is a 25 point quiz worth 100 points, how what grade do i need to get to at least have an average grade of an a

At least about 20 points it can depend on the class but not really.

use an equation of ratios to determine the amount of gas needed to fill the tank.

    0.2             0.8

  =    

288.75             x

                                                              231 gal

so, 0.2x = (0.8)(288.75 gal), and x = = 1155 gal.

                                                                0.2

it would take 1155 gal. to fill the tank.

the cost would be

1155 gal         $3

* = $3465   (answer)

      1           1 gal

hope this you