Respuesta :

DunderMifflinite

Answer:

1239.1

Step-by-step explanation:

x + y = z

x = 789.4 (your money)

y = 449.7 (Your mom's money)

z = Total amount of money.

789.4 + 449.7 = z

789.4 + 449.7 = 1239.1

z = 1239.1