Let the cost of the hair dryer equal x.
The net cost plus a 40% markup equals 42, set up an equation and solve forex.
1.4x = 42
Divide both sides by 1.4
X = 42 / 1.4
X = 30
The net cost was £30
Answer: x = 132 daw
Step-by-step explanation: believe me
A Total of 6 Days!
Cheers:D
X^2 + 6x - 27
(x - 3)(x + 9)
The answer is: (x - 3)(x + 9).
