Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

x/2 + x + 5 = 50 --> x = 30

hair cut: $30

perm: $15

lunch: $5

all together: $50

were is the equation

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4