For this case we have the following system of equations:
To solve, we substitute the first equation in the second one:
The equality is not fulfilled, therefore the system has no solution.
Option B
The system has no solution
518,400
step-by-step explanation:
the area is multiplying all the given measurements together.
40 * 18 * 30 * 24 = 518,400
40 minutes
add the time and multiply by 2