Respuesta :
Answer:
9
Step-by-step explanation:
18+9=27, answer=9......
Answer:
Step-by-step explanation:
Let Sydney's age be x
Sally's age be 2x
Sum of their ages = x+2x=27
Solve for x
3x=27
×=9.
Answer:
9
Step-by-step explanation:
18+9=27, answer=9......
Answer:
Step-by-step explanation:
Let Sydney's age be x
Sally's age be 2x
Sum of their ages = x+2x=27
Solve for x
3x=27
×=9.