You have a system of equations

.
1. Substitude right side of second equation into the left side of the first equation:

.
2. Solve this equation:

.
3. Find y:
for

,
for

.
4. The solutions of the system are: (3,-12) and (5,-24).
Answer: Correct choice is A.
Answer:
the first step is find the amount of money you saved
Step-by-step explanation:
171.50-145.12=26.38
26.38 / 171.5 = .154
15.4%
Answer:
<u>5,400 yd²</u>
Step-by-step explanation:
New total area :
- Original area x scale factor
- 600 yd² x 9
- <u>5,400 yd²</u>
1500 - 400 = how much sodium u can consume for the rest of the day