A company makes compact discs (CDs).
The total cost, P pounds, of making n compact discs is given by the formula P = a + bn , where a and b are constants.
The cost of making 1000 compact discs is £58 000.
The cost of making 2000 compact discs is £64 000.

Calculate the values of a and b.

Question

A company makes compact discs (CDs).
The total cost, P pounds, of making n compact discs is given by the formula P = a + bn , where a and b are constants.
The cost of making 1000 compact discs is £58 000.
The cost of making 2000 compact discs is £64 000.

Calculate the values of a and b.

anonymous · Answer

P=a+bn
58000=a+b(1000)
64000=a+b(2000)