Answer:
or 
Step-by-step explanation:
Given


Required
Determine the solution
We'll solve using elimination method.
Subtract the first equation from the second:







Make x the subject:



Substitute
for x in the first equation



Make y the subject




Hence, the solution is:
or 
Round off to the nearest 100
<h2>A. $123.51</h2><h2 />
: $24.48 per year + price * 0.85
: $36.83 per year + price * 0.75
Substitute each value into both equations as price.
A:
129.4635
129.4625
B:
98.158
101.84
C:
145.2055
143.3625
D:
155.703
152.615
A is the lowest value where the second value is lower than the first.
Answer:
the answer is the same.....