SOLUTION: A lumber company combined oak wood chips that cost $3.50 per pound with pine wood chips that costs $2.20 per pound. How many pounds of each were used to make a 100-pound mixture co

Algebra.Com
Question 944413: A lumber company combined oak wood chips that cost $3.50 per pound with pine wood chips that costs $2.20 per pound. How many pounds of each were used to make a 100-pound mixture costing $2.72 per pound?
Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
A lumber company combined oak wood chips that cost $3.50 per pound with pine wood chips that costs $2.20 per pound. How many pounds of each were used to make a 100-pound mixture costing $2.72 per pound?
***
let x=amt of oak wood chips used
100-x=amt of pine wood chips used
..
3.50x+2.20(100-x)=2.72*100
3.50x+220-2.20x=272
1.30x=52
x=40
100-x=60
amt of oak wood chips used=40 lbs
amt of pine wood chips used=60 lbs

RELATED QUESTIONS

The Fussy Food SHop makes a gourmet low-fat blend of pretzels and potato chips. If he... (answered by checkley77)
A 20-pound mixture of banana chips and dried apricots cost $6.89 per pound the mixture... (answered by ankor@dixie-net.com)
if the cost of pretzel is $2.40 per pound and the cost of potato chips is $3.40 per... (answered by drk)
The manager of a specialty food store combined almonds that cost $4.50 per pound with... (answered by drj)
The manager of a specialty food store combined almonds that cost $4.50 per pound with... (answered by richwmiller)
The manager of a specialty food store combined almonds that cost $6.40 per pound with... (answered by greenestamps,Glaviolette,MathTherapy,richwmiller)
Sarah mixed craisins and chocolate chips together for a snack. -Sarah bought 8 lbs of... (answered by josgarithmetic)
if a cost of a pretzel is 2.40 per pound and the cost of potato chips is 3.40 how many... (answered by Mathtut,stanbon)
How many pounds of nuts that costs$1.10 per pound must be mixed with 50 pounds of nut... (answered by ptaylor)