SOLUTION: Please help me solve this word problem, using substitution or elimination: At a concession stand, one person purchased 3 drinks and 3 soft pretzels for a total of $9.00. Another

Algebra ->  Equations -> SOLUTION: Please help me solve this word problem, using substitution or elimination: At a concession stand, one person purchased 3 drinks and 3 soft pretzels for a total of $9.00. Another      Log On


   

Question 1024944: Please help me solve this word problem, using substitution or elimination:
At a concession stand, one person purchased 3 drinks and 3 soft pretzels for a total of $9.00. Another person purchased 4 drinks and 2 soft pretzels for a total of $8.50. What was the price of one drink?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
3D%2B3P=900
1.D%2BP=300
.
.
4D%2B2P=850
2.2D%2BP=425
Subtract eq. 1 from eq. 2,
2D%2BP-D-P=425-300
D=125
Now use either equation to solve for P.