Idon't understand.. :
:
twenty-eight less than andrew's age is one hundred sixty less that five times his age. how old is andrew?
( show work! )

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

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?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*