Monday

July 28, 2014

July 28, 2014

Posted by **HELP US** on Sunday, August 12, 2012 at 6:04am.

The student council of Sta. Lucia High School needed Php. 2,250 for an annual trip. If 5 more members joined the group, each member would then save Php 5. How many students planned to make the trip?

- ALGEBRA -
**Damon**, Sunday, August 12, 2012 at 6:55amx = number of students

p = price of ticket

x p = 2250

(x+5)(p-5) = 2250

p = 2250/x

xp + 5 p - 5 x - 25 = 2250

xp + 5 p - 5 x - 2275 = 0

2250 + 11250/x - 5 x - 2275 = 0

11250 - 5 x^2 - 25 x = 0

x^2 + 5 x - 2250 = 0

(x+50) (x-45) = 0

x = 45

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