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# As a bicycle salesperson, Norman earns a fixed salary of \$20

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Intern
Joined: 01 Dec 2007
Posts: 32
Followers: 1

Kudos [?]: 7 [0], given: 0

As a bicycle salesperson, Norman earns a fixed salary of \$20 [#permalink]  09 Dec 2007, 14:19
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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
As a bicycle salesperson, Norman earns a fixed salary of \$20 per week plus \$6 per bicycle for the first six bicycles he sells, \$12 per bicycle for the next six bicycles he sells, and \$18 per bicycle for every bicycle sold after the first 12. This week, Norman earned more than twice as much as he did last week. If he sold x bicycles last week and y bicycles this week, which of the following statements must be true?

I. y > 2x

II. y > x

III. y > 3

I only
II only
I and II
II and III
I, II, and III
Intern
Joined: 13 Jun 2007
Posts: 48
Followers: 1

Kudos [?]: 4 [0], given: 0

D.

I. wrong if you have x=1000 then y will be a similar number and not >2
II. correct. if x=0 the payment of this week >=40 therefore y>=4
III. correct. if you consider worst case where x=0 then y>=4
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