Respuesta :

SommarMarie

Answer:

The Answer i got was 53 13/18

Step-by-step explanation:

if r=-1/2 then 54+5/9×-1/2=53 13/18

Maaariaaah
The answer is 54 5/9
1. 54+5/9r
2. 54+5/9(1/2)
3. 5/9•1/2= 5/18
4. 54+5/18= 54 5/18