Please check the attached image for the answer. Hope this helps :)
Answer:
12
Step-by-step explanation:
·
×
=
=12
18 x 40 = 720 per week.....720 x 4 = 2880 per month earnings
net pay = 0.72(2880) = 2073.60 <=== cash inflow.
how much he spends per month is his cash outflow.
I would have to say that i think the answer is D. hope this helps
For this case we must solve the following quadratic equation:

If we divide both sides of the equation by 3 we have:

The solutions will come from:

Where:

Substituting:

The roots are:

ANswer:
