Given that 4000 items are checked in one month, let the number of detective items be represented as y.
Quality control finds on average that 0.026% of the items in the factory are detective. This implies that

When 4000 items are checked, we have the number of detective items to be evaluated as

Hence, the number of detective items is 1.04.
7x-7-2x-2+3x-12=8x-21
I think
Answer: The manager sold the book shelf at $235.2
Step-by-step explanation:
Since we have given that
Wholesale price of the book shelf = $147.00
But Gabriela's Furniture Store marks up all furniture by 60%.
So, Mark up value is given by

So, the new price that the manager sold the book shelf is given by

Hence, the manager sold the book shelf at $235.2
Answer:
Work shown below!
Step-by-step explanation:
(x + 4)(x - 3) = 
Answer: n=451
8*42+3*59-62=n
336+177-62=n
451=n
n=451