Yis directly proportional to x, and y=216 when x=2. find y when x=7.

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.

Aphrase is shown read the phrase and give me the answer

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64