Answer:
$20.40
Step-by-step explanation:
If seth goes every three days and Brian im assuming is the name.Goes every five days then they will both go on day 15
Answer:
x=9
Step-by-step explanation:
9+3=12
12/2=6
Answer:
30.31%
Step-by-step explanation:
Mark up on selling price is given by markup*100%/selling price
In this case, markup is given as $870 while the selling price is $2870 hence the percentage of narkup to selling price will be given by 
Therefore, the percentage of markup to selling price is approximately 30.31%
Answer:
-7/8
Step-by-step explanation:
Quadratic formula is ax^2 + bx + c
In this case, x = -b/2a, which is -7/(2(4)) = -7/8