Madelaine88 wrote:

Envelopes can be purchased for $1.50 per pack of 100, $1.00 per pack of 50, or $0.03 each. What is the greatest number of envelopes that can be purchased for $7.30?

A. 426

B. 430

C. 443

D. 460

E. 486

The 3 options:

$1.50 per pack of 100 =

1.5 cents per envelope

$1.00 per pack of 50 =

2 cents per envelope

$0.03 per individual envelope =

3 cents per envelope

Since the packs of 100 are the best value, let's buy as many of these as we can.

4 packs of 100 costs $6.00 (we still have $1.30 left to spend)

1 packs of 50 costs $1.00 (we still have $0.30 left to spend)

10 individual envelopes costs $0.30 (we've spent all of the money)

Number of envelopes purchased = 400 + 50 + 10 = 460

Answer: D

Cheers,

Brent

_________________

Test confidently with gmatprepnow.com