Sally can drive 750 miles in 12 hours and 30 minutes. what is her unit rate in miles per hour?

Sixty (60) Miles per hour.

This is a fraction equal to

750 miles ÷ 12.5 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 12.5

750 miles÷ 12.5

12.5 hours÷ 12.5

=

60 miles

1 hour

=

60 miles

hour

= 60 miles per hour

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

56

step-by-step explanation: