B because
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Factorize the quadratic trinomial
by the rule:

1. Find the roots:

2. Factorize the polynomial:

3. Only factor x-2 is given in options, then the correct choice is B.
Answer:
The machine caps 900 bottles in 45 seconds
Step-by-step explanation:
15/300 is equal to 45/900
Subtract 8/10 from 4/10 but just the numerator (the top number) and you will get 4/10