Friday, May 18, 2007

QUESTION ON DEMAND

The cost c of an order of n special envelopes
is given by c= ($0.50)n + $ 15.00.

COLUMN A
The cost of an order of
500 special envelopes

COLUMN B
$260

CONTRIBUTED BY ---ARIHANT

4 comments:

  1. a
    soln:n is da number of envelopes
    so acc to da condition given
    c=0.50n+15

    for 500 envelopes
    (0.50*500)+15
    ie 265
    265>260
    hence col a is greater

    plz correct me if i am wrong

    ReplyDelete
  2. 500x0.50=250+15=265! But column B is 260, so its def. Column A is greater!

    ReplyDelete