Eastimate each product or quotient

2,742 x 7

For what value of x does 4x = (1/8) x + 5?

X+ y = 5 ; x - y =3 solve using linear combination

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?