A health food store sells oatmeal for $3.60 per pound and bran flakes for $4.80 per pound. How many pounds of each should be used to get a mixture of 30 pounds that sells for $4.00 a pound?

Question

A health food store sells oatmeal for $3.60 per pound and bran flakes for $4.80 per pound.  How many pounds of each should be used to get a mixture of 30 pounds that sells for $4.00 a pound?

anonymous · Answer

rid plz explain this one

anonymous · Answer

3.6x+4.8y=4(30)
This is the equation

anonymous · Answer

cost*amount+cost*amount=total cost* total amount

anonymous · Answer

Wait I didnt finish it

anonymous · Answer

Whats the solution?

anonymous · Answer

Nope i got the wrong equation

anonymous · Answer

i feel i got it right in the mixture there will be 20 pounds of Oat and 10 pounds of Barn

anonymous · Answer

3.6(30-x)+4.8(x)=4(30)

anonymous · Answer

thanks rid. b4 i had taken it into % so was wrong

anonymous · Answer

x=10

anonymous · Answer

3.6 x + 4.8 (1-x) = 4
x=2/3
So you need 2/3 of oatmeal and 1/3 of bran flakes

anonymous · Answer

10 lbs of oatmeal and 20 lbs of bran

anonymous · Answer

no rid it will be 20lbs of Oat and 10lbs of Bran

anonymous · Answer

cross check it ! @RID

anonymous · Answer

Hey I like the way Fernando figured it out. Cool

anonymous · Answer

Ya sheg you r correct. I always make these mistakes!

anonymous · Answer

yeah it was nice @ fernando

anonymous · Answer

Thanks Fernando