In 2004, the cost of 1 year-long print subscription to a certain newspaper was 4USD per week. In...

Question

In 2004, the cost of 1 year-long print subscription to a certain newspaper was 4USD per week. In 2005, the newspaper introduced a new rate plan for 1 year-long print subscription: 3USD per week for the first 40 weeks of 2005 and 2USD per week for the remaining weeks of 2005 . How much less did 1 year-long print subscription to this newspaper cost in 2005 than in 2004?

GMAT Panda · Accepted Answer

64USD We calculate the total cost in 2004 by multiplying the weekly rate by the number of weeks in a year. C_2004 = 4 52 We calculate the total cost in 2005 by summing the cost for the first 40 weeks and the remaining 12 weeks at their respective rates. C_2005 = 3 40 + 2 12 We find how much less the 2005 cost is compared to the 2004 cost by subtracting the two totals. C_2004 - C_2005 = 208 - 144 = 64

Explanation	Calculations	Help
$We calculate the total cost in 2004 by multiplying the weekly rate by the number of weeks in a year.$	$C_{2004} = 4 \times 52$
$We calculate the total cost in 2005 by summing the cost for the first 40 weeks and the remaining 12 weeks at their respective rates.$	$C_{2005} = 3 \times 40 + 2 \times 12$
$We find how much less the 2005 cost is compared to the 2004 cost by subtracting the two totals.$	$C_{2004} - C_{2005} = 208 - 144 = 64$

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