It is given in the question that
You work at a T-shirt printing business. Of 1,300 T-shirts shipped, 106 are imperfect.
So out of 1300 T-shirts, number of perfect t-shirts are

So probability that the t-shirt is printed correctly is

And to find the percentage, we have to multiply it by 100, and on doing so we will get 92 % .
That’s hard , I don’t even know
Answer:
its the second one -3(x-y)
If you would like to know what is the unit price for the hair shampoo, you can calculate this using the following steps:
500 ml ... $2.10
100 ml ...$x = ?
500 * x = 2.10 * 100 /500
x = 2.10 * 100 / 500
x = $0.42
The unit price for the hair shampoo is $0.42.