7.41% as a decimal is 0.0741. :)
I think the probability is 13.89%
Answer: 3
(
x
−
8
)
(
x
+
5
)
Step-by-step explanation:
9x + 3 = 7x +19
2x + 3 = 19
2x = 16
x = 8
So, x (8) is the number of chairs in each row with these setups.
Plug 8 into one of the equations and you will find how many chairs total there are.
9(8) + 3 = 75
There are 75 chairs total