Question 398858: Peanuts cost $0.80 a pound, cashews $1.50 a pound, anf alnuts $1.50 a pound. A store clerk needs to make 6 pound of mixed nuts using these three types so the cost is $6.90. If she wants to use 3 times as much peanuts as cashews, find how much of each type she should use. Answer by checkley79(3056) (Show Source):
You can put this solution on YOUR website! .80P+1.50C+1.50A=6*6.90
C=7.67 POUNDS OF CASHEWS & ALNUTS.
P=3*7.67=23 POUNDS OF PEANUTS.