Respuesta :
Answer:
15
Step-by-step explanation:
6/2=3
then 18-3=15
when you were 6 your sister was 3, because 3 is half of 6. so now you are 18 your sister is 9 becase 9 is half of 18
Answer:
15
Step-by-step explanation:
6/2=3
then 18-3=15
when you were 6 your sister was 3, because 3 is half of 6. so now you are 18 your sister is 9 becase 9 is half of 18