PLESE HELP ME WITH THESE TWO PLEASE!! I NEED HELP

8.
Petunia's Rolls Royce uses 15 L of gas per 100 km. How many litres of gas would she
use to go on a 820 km trip?


10. At a bankruptcy sale, stereo sets were advertised at 60% off. Sales tax is 7%. How
much would be paid in all for a stereo regularly selling for $68.95?

Respuesta :

Answer:

8. 820 km

Step-by-step explanation:

8.

15 I per 100 km

x liter per 820 km on cross multiplication

(820 * 15) / 100 = x

12300/100 = x

123 liter =x in total 123 liter of gas will be required to travel 820 km.

Answer:

8.820

Step-by-step explanation:

hope it helps you bro