A grocer wants to mix two kinds of nuts. One kind sells for $0.95 per pound, and the other sells for $2.60 per piund. He wants us to mix a total of 16 pounds and sell it for $2.10 per pound. How many pounds of each kind should he use in the new mix? (round off answers to the nearers hundredth.)

Question

A grocer wants to mix two kinds of nuts.  One kind sells for $0.95 per pound, and the other sells for $2.60 per piund.  He wants us to mix a total of 16 pounds and sell it for $2.10 per pound.  How many pounds of each kind should he use in the new mix? (round off answers to the nearers hundredth.)

amistre64 · Answer

see if i can recall my formula :)

b = t(z-x)  at y
      -----
        (y-x)

b at .95 = 16(2.10 - 2.60)
                 --------------
                     (.95 - 2.60)

amistre64 · Answer

that gets me; rounded to (4.85) pounds of the cheap stuff.. but let me dbl chk

anonymous · Answer

ok

amistre64 · Answer

yep; thats works :)

4.85 of the cheap stuff

11.15 of the good stuff

anonymous · Answer

$$.95x+2.6(16-x)=16\times 2.1$$
solve and get what sensei said