SOLUTION: Please help me solve this problem: (Mixture Problem) 1. How many grams of Brand A coffee worth P4.00 per gram must be added to 100 grams of Brand B coffee worth P7.00 per gram

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Please help me solve this problem: (Mixture Problem) 1. How many grams of Brand A coffee worth P4.00 per gram must be added to 100 grams of Brand B coffee worth P7.00 per gram      Log On


   

Question 206811: Please help me solve this problem: (Mixture Problem)

1. How many grams of Brand A coffee worth P4.00 per gram must be added to 100 grams of Brand B coffee worth P7.00 per gram to produce a mixture worth P6.00 per gram?
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
A g (4 #/g) + 100 gms (7 #/g) = (A + 100)g * 6 #/g
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4A +700 = 6 (A+100)= 6A + 600
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100 = 2A
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50 g = A,,,,,,answer
.
to check,,50*4 +100*7 = (100+50)*6
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200 +700 =900 = 150 * 6 ,,,,ok
.