1/2 is the probability the coin would land heads up both times.
Answer:
I don't know it's very hart
Answer: 4 hours
Step-by-step explanation:
okay so you have to know your times tables 2*4=8 so 20*40=80 then if he paid a tip of 10$ that would equal $90 witch is what he paid.
80 multiplied by 0.6 = 48
80-48=32
Answer=32 Books are nonfiction
To find the cost of each book, you need to divide the money spent on all of the books by the number of books.
$39 / 10 = $3.90 per book