501 and 511
Step-by-step explanation:
you add 491 and 10 then you get 501 and then you add 10 to that 511
Answer: 501, 511
You add ten so 491 plus 10 would 501.
Answer:
the answer is 18
A. d=50t B. 50,100,150,200,250 C. 50 days
