Question

a fashion photograph needs to hire a stylist to prepatmre her models Chris charge $150 for showing up,plus $78 per hour Carrie charges $151 plus $77 per hour the photographer realizes that given the expected duration of her photo shoot either stylist would cost her the same amount. what would the cost be ? what would the duration be

Answer 1

To find the equation, set both equal to each other
SO
150+78X=151+77X
Subtract 150 from both sides 
78X = 1 + 77x
Subtract 77x from both sides
X=1
The duration would be one hour