Mrs. Tucker can detail a car in 90 minutes. Mr. Smith can do the same task, but it takes him 120 minutes . When Mrs. Tucker and Mr. Smith ask their son Tyler for help, the three of them working together can detail a car in just 30 minutes. How long would it take Tyler to detail a car all by himself?

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

quit

step-by-step explanation: