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:
All are real numbers
i had this graph in my quick answers book hope so its correct
Answer:
2
Step-by-step explanation:
do 9 plus negative 5 then divide by 2 to get your answer
