GMAT Quantitative Reasoning Practice Test 2

Question : 7 of 100

Marks: +1, -0

On a summer camp,

25 \%

of the campers paid

\$ 120

each,

35 \%

paid

\$ 80

each and the rest paid

\$ 65

each. What percentage of the total amount paid came from the campers who paid

\$ 80

Solution:

Take 100 campers as an example to work with, 25 paid

\$ 120=\$ 3,000

total, 35 paid

\$ 80=\$ 2,800

total, and 40 (the rest) paid

\$ 65=\$ 2,600

. The total amount paid is

\$ 8,400

. The amount paid by the campers who paid

\$ 65

\;{\$ 2,800}/{\$ 8,400}=\;{1}/{3}=33.3 \%

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