Respuesta :

Answer:

7.50

Step-by-step explanation:

We can use proportions to solve

8 batteries         6 batteries

------------------ = ------------------

10 dollars           x dollars

Using cross products

8x = 6*10

8x = 60

Divide each side by 8

8x/8 = 60/8

x =7.50

$7.50
$10/8=1.25
6x1.25=$7.50