1 book is 17.55
2 books is 16.70
3 books is 15.85
4 books is 15
5 books is 4.15
6 books is 4.30
7 books is (3.55)
Answer:

We just have to multiply not cross multiply,
10/18
Now, divide the equation
5/9 will be ur answer
Answer:
4 Minutes = 240 seconds = 6*40 seconds
30*(1/2)^6 = 30*1/64 = 30/64 = 15/32 = 0.5
4 minutes later there is approx. 0 to 1 bacteria alive.
Step-by-step explanation:
c = 10
plz mark my answer as brainlist plzzzz.
hope this will be helpful to you .☺️