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:

Anonymous said...

a

Anonymous said...

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

Unknown said...

the answer is A

Vinay said...

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