24/30 divided by 2 gives
12/15 divided by 3 gives
4/5
Answer:
Gary sold 5 paperback books
Step-by-step explanation:
each book is equal to $2 and $10 were made in Hardcover
So that only leaves us with ten unaccounted dollars
5x=10
Each book or (x) in this case is two dollars
so it will come out to be five books
Answer:
-224
Step-by-step explanation:
Geometric sequence is given by An = A*R^(n-1)
Given A7 = 7 and A10 = -56
A10/A7 = -8 = R^(10-7)
R^3 = -8
R = -2
A12 = A10*R^2
= -56*-2^2
= -224