SOLUTION: 28 members of a class went on a rafting trip. Class members could either rent canoes for $16 each or rent kayaks for $19 each. The class spent a total of $469. How many people ren

Question 810896: 28 members of a class went on a rafting trip. Class members could either rent canoes for $16 each or rent kayaks for $19 each. The class spent a total of $469.
How many people rented canoes and how many people rented kayaks?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
16c + 19k = 469
c + k = 28
c = 28 - k
---
16c + 19k = 469
16(28 - k) + 19k = 469
448 - 16k + 19k = 469
3k = 21
---
k = 7
c = 21
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