Respuesta :
Answer:
69
Step-by-step explanation:
think of it like :
30+30=60
4+5= 9
60+9=69
to make it easier if you're not allowed to use calculators.
Answer:
69
Step-by-step explanation:
think of it like :
30+30=60
4+5= 9
60+9=69
to make it easier if you're not allowed to use calculators.