One alloy is 2 parts iron to 3 parts silver and another alloy is 7 parts iron to 3 parts silver. How much of each should be comb ined to produce a 30 pound alloy that is 1 part iron to 1 part silver?
1 answer:
Let x be your first alloy 2/5x+7/10(30-x)=1/2(30) 4x+210-7x=150 3x=60 x=20 So, you need 20 lbs of the first alloy, and 10 parts of the second to make 30 lbs of half iron and half silver alloy!
You might be interested in
Hellooo..
my answer is (-4,2)
Answer:
7oz of water
Step-by-step explanation:
6(1/2)= 3; 6(2/3)= 4; 3+4=7
It has to be true because you would need to divide
It depends on how many options you have You multiply the total number of books you have time 5 because you can choose 5
This is a two step word problem so first your gonna have to subtract 320-50= 270 then divide to find your final answer so 270 divided by 8 is 33.75