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application of fraction

Attendance at the Fireman's Ball has been declining. Each year, the number attending is 2/3 of the previous year's attendance and the cost of food is 3/4 that of the previous year.

1) In what year will the attendance be less than 1/3 the original attendance?
2) There was $1,200.00 worth of food the first year. What is the difference between the cost of the food in the 2nd and 3rd years?

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Please see details in the attached file.

1) the forth year
(2/3)^(n-1) ...

Solution Summary

The solution is comprised of detailed solution of application of fraction and exponential function in the real life scenario.