How do you explain expanded notation method for 82 times 3

Which number line represents the solution set for the inequality -1/2x> 24?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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?