An airline offers 21 daily flights between two cities. of these flights, the number of nonstop flight, x, is three more than half the number of lights with one step, y.

a. 9
b. 12
c. 5
d. 16

9 nonstop flights and 12 flights with more than one stop

Step-by-step explanation:

Solve the system of equations.

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

answer

you start with $5 and save $10 a week until you have at least $45wer

step-by-step explanation: