<PRE><B>Question 1043260</B>
let n be the number of cookies each camper gets, then
:
we have two equations in two unknowns
:
1) 60 / x = n
2) 8n / (x-8) = 2
:
substitute for n in equation 2)
:
8(60/x) / (x-8) = 2
:
480/x = 2x - 16
:
480 = 2x^2 -16x
:
x^2 -8x -240 = 0
:
(x-20) * (x+12) = 0
:
x = 20 or -12
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we want the positive value for x
There are 20 campers
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