Respuesta :

Answer:

283 I believe

Step-by-step explanation:

your welcome ;)

Answer:

283

Step-by-step explanation:

Think PEMDAS

1)Multiply 15*18 which equals 270, so simplify it to 270+12/3+9

2)Divide 12/3 which is 4, so simplify again for 270+4+9

3)Add it all up for a sum of 283