Ibought 2 1/2 yards of fabric. my cost was 15. what is the cost per yard?

  best answer for the question.1.     divide  7/24  by  35/48  and reduce the quotient to the lowest fraction. 

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?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.