Answer:
10%
Step-by-step explanation:
1 real solution means that it has a multiplicity aka
if r is the solution
0=(x-r)^m
theone that fits that is B, the solution is x=3
B is answer
Answer:
$258.75
Step-by-step explanation:
225% of 115 is 258.75, therefore the markup is $258.75.
3(y+1)+2y=8
3y + 3 +2y = 8
5y +3 = 8
-3 -3
5y = 5
--- ---
5 5
y=1