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?
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