This is very simple, you can use tally marks to find the amount of birthdays. Then divide it by 100. Good luck !
Answer:
a
.Step-by-step explanation:
1 week = 7 days
10 weeks = 10×7 days
= 70 days
if Ellen reads 1 book in a day
Therefore,
1 day = 1 book
70 days = 70×1
= 70 books.
Thus Ellen reads 70 books in 10 weeks.
Hope helps
Answer:
I think A
Step-by-step explanation:
