Donald Q. answered 03/21/15
Tutor
New to Wyzant
Guess And Check Discovery
It seems a bit unclear. I guess it is
sp= cost + 42% of sp where sp is selling price, or
x = $1260 + 0.42 x where x is the selling price.
Solving
x = $1260 + 0.42 x
x = $1260 + 0.42 x
- 0.42x = - 0.42 x
______ ____________
0.58x = $1260
0.58x = $1260
------ ----------
0.58 0.58
x = $2172.413 (for a s.p. of $2172.42) I think.