Answer:
11%
Step-by-step explanation:
To find the percentage of books to total cost, divide 253/2300. You get .11
Move the decimal 2 places to the right and that's the percentage.
11%
hope this was good enough
Answer:
Step-by-step explanation:
4:3 total is 7
8:6 total is 14
12:9 total is 21
So there are 9 girls.
Answer:
x = (180-147)/3
x = 11
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
The first thing we do is multiply -3 by -9 to get 27. (Two negatives multiplied cancels each other out). Now we solve for -1+27-5. The resulting answer is 21.
P(A|B)= P(B and A) / P(A)
P(B and A) = .3 + .10 = .13 P(A)= .3
So,
P(A|B)= .13/.3
P(A|B)= 0.43333...