GMAT Quantitative Reasoning Practice Test 3

Question : 4 of 100

Marks: +1, -0

The East-17 pre-school is upgrading all of his classrooms by buying 46 computers, 6 printers and 5 fax machines. If a computer costs 4 times more than a printer and 2 times more than the fax machine, what percent of the cost of the entirepurchase was the cost of one computer, 2 printers and 1 fax machine?

$1 \%$
$2 \%$
$3 \%$
$4 \%$
$5 \%$

Validate

Solution:

Let's define the price of a printer as

X

, the computer costs

4 X

and the fax

\cos t s 2 X

.
The total price of all the merchandise is

(46 × 4): X+6 X+10 X=200 X

.
The specific group that was asked upon is worth

4 X+2 X+2 X=8 X

.
The percentage of the price is

(8/ 200)=4 \%

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