Thread: I should know this but it is frusterating me: story problem

I dont know what it is with me and story problems but i can never seem to figure them out no matter how long i try.

so for your help i will be eternally grateful.


How many pounds of hamburger worth $1.05 per pound must be mixed with 60 pounds of hamburger worth $0.90 per poundto produce hamburger worth$1.00 per pound?

Originally Posted by Audriella

I dont know what it is with me and story problems but i can never seem to figure them out no matter how long i try.

so for your help i will be eternally grateful.


How many pounds of hamburger worth $1.05 per pound must be mixed with 60 pounds of hamburger worth $0.90 per poundto produce hamburger worth$1.00 per pound?

Let be the pounds of missing hamburger!







pounds

Thanks
and i know i should have known that
but thank you.

Colby is correct, but just to explain what happened here:

Let be the amount we require

Then at the end we will have pounds of hamburger. We want this to cost $1 per pound. So the cost will be

Now the cost of the 60-pound hamburger is:
And the cost of burger is:

We want the total cost to be the same as , hence we have:



Now solve for , and you will get Colby's answer