Thursday, November 12, 2009

PS 2

A parking garage rents parking spaces for $10 per week or $30 per month. How much does a person save in a year by renting by the month rather than by the week?
(A) $140
(B) $160
(C) $220
(D) $240
(E) $260

1 comment:

  1. AnonymousNovember 16, 2009 at 3:24 PM

    Answer : B $160
    there are 12 months and 52 weeks an year .
    hence
    monthly basis : 30 * 12 = 360
    weekly basis : 52 * 10 = 520

    hence totally he will save 520-360 = $160 .

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