SOLUTION: good pm!! "A retail has two kinds of tea,one priced at 15 php per pound and the other at 17 php per pound. How many pounds of the 15 php should the merchant mix with 200 pounds

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: good pm!! "A retail has two kinds of tea,one priced at 15 php per pound and the other at 17 php per pound. How many pounds of the 15 php should the merchant mix with 200 pounds       Log On

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Question 479999: good pm!!
"A retail has two kinds of tea,one priced at 15 php per pound and the other at 17 php per pound. How many pounds of the 15 php should the merchant mix with 200 pounds of the 17 php per pound to produce a mixture to sell at 15.80 php per pound?"
TNX!:D

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
------- Price ---------------- quantity
Tea type I 17 ---------------- 200 lb
Tea type II 15 ---------------- x lb
Total 15.8 ---------------- 200 + x lb

17*200+15*x=15.8(200+x)
3400+15x=3160+15.8x
15x-15.8x=3160-3400
-0.8 x = -240 / -0.8

x = 300 lb Php 15 Tea type II
m.ananth@hotmail.ca