Answer:
He is 40
Step-by-step explanation:
She is 10. In 30 years she will be 40. In 30 years, he will be 70. he is 40 add 30 years then he will be 70.
Answer:
300+90+9
-45=0+40+5
Step-by-step explanation:
399-45=354
Answer:
Sure, I will do my best :)
Step-by-step explanation: