Respuesta :
12 7
----- = ----------
$18 ?
Using cross products
12 * ? = 18* 7
? =126/12
$10.50
Divide 12 by 18 to know the cost PER can, then multiply it by 7.
12 7
----- = ----------
$18 ?
Using cross products
12 * ? = 18* 7
? =126/12
$10.50
Divide 12 by 18 to know the cost PER can, then multiply it by 7.