SOLUTION: The amount of copper in zinc is one fourth of the total weight. if a sample contains 5 and one third ounces of copper, what is the total weight of the sample?
Algebra.Com
Question 822468: The amount of copper in zinc is one fourth of the total weight. if a sample contains 5 and one third ounces of copper, what is the total weight of the sample?
Found 2 solutions by josmiceli, stanbon:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the total weight of the sample in ounces
Let = the weight of copper in the sample in ounces
given:
The total weight of the sample is 21 and 1/3 ounces
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The amount of copper in zinc is one fourth of the total weight. if a sample contains 5 and one third ounces of copper, what is the total weight of the sample?
----
Let the total weight be "x".
------
Equation:
(1/4)x = 5 1/3 ounces
-----
(1/4)x = 16/3 ounces
x = (4/3)16
x = 64/3 = 21 1/3 ounces
------------------------------
Cheers,
Stan H.
=================
RELATED QUESTIONS
Brass is an alloy created using 80% copper and 20% zinc. If Henri’s brass trumpet... (answered by checkley77)
there are two different copper alloys of total weight 50 kilograms. the first contains... (answered by ankor@dixie-net.com)
there are two different copper alloys of total weight 50 kilograms. the first contains... (answered by josgarithmetic)
A parts manufacturer has 40 kg of a copper and zinc alloy which contains 8 kg of zinc.... (answered by josgarithmetic)
Brass is an alloy the contains the metals copper and zinc. Copper typically accounts for... (answered by mananth)
An alloy is composed of 40 kg zinc and 10 kg of copper; another alloy contains 80 kg... (answered by htmentor)
The ratio of the weight of copper to the weight of zinc in a U.S. penny is 1/39. If 50 kg (answered by rfer)
The ratio of the weight of copper to the weight of zinc in a coin is 1/38. If 55 kg of... (answered by checkley79)
if an alloy contains 47 g of copper (Cu) and 25 g of zinc (Zn), then the percentage of... (answered by ankor@dixie-net.com)