What do we do with the 28?

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Write the expression as a single natural logarithm. 2 in a - 4 in y

This is my question: kate has 4 and 3-eighths yards of fabric and needs 2 and 7-eighths yards to make a skirt. how much extra fabric will she have left after making the skirt?