Given :
A meat market sells fajitas for $5.12 per pound.
To Find :
The cost of 3 - lbs of fajitas.
Solution :
Price of 1 pound fajitas, p = $5.12 .
So, price of 3 pounds of fajitas is :
P = 3 × p
P = 3 × 5.12
P = $15.36
Therefore, price of 3 pounds fajitas is $15.36 .