susana delivers flowers for a local florist. She earns $30.00 a week plus $1.25 for each delivery. How many deliveries must she make to earn $125.00 a week?

Respuesta :

30 + 1.25d = 125
1.25d = 125 - 30
1.25d = 95
d = 95 / 1.25
d = 76 <=== she made 76 deliveries