Answer:
Answers in the pics
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ;)
Answer:
f = 4
Step-by-step explanation:
60= 15f
divide both side by 15
f = 4
Tenemos precio de lista de $25 para el libro.
Si aplicamos un descuento del 25%, este descuento representa:

Ahorramos $6.25.
El precio que pagamos el libro es $18.75.
If you are charging 5 per hour use h to determine how many hours and add 10 for the connection fee
5h+10