SOLUTION: how many g of gold should coin of 38% gold be if when combined with 3 g of pure gold, it forms a metal that is 78% gold
Algebra.Com
Question 1005947: how many g of gold should coin of 38% gold be if when combined with 3 g of pure gold, it forms a metal that is 78% gold
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = grams of 38% gold needed
= grams of gold in 38% gold
--------------------
1.65 grams of 38% gold are needed
------------
check:
OK
RELATED QUESTIONS
How many g of gold should a coin of 45 % gold be if when combined with a 11 g pure gold... (answered by josmiceli)
How many g of gold should a coin of 59% gold be it when combined with a 9 g pure gold... (answered by jorel1380)
How many g of gold should a coin of 56% gold be if when combined with a 7 g 100% gold... (answered by vleith)
How many grams of gold should a coin of thirty - seven percent gold be when combined with (answered by stanbon,MathTherapy)
Can you please solve this problem and show me how to do it? Than you.
How many g of... (answered by stanbon)
how many g of gold should a coin of 33% gold be if when combined with a 5 g pure gold... (answered by stanbon)
One hundred percent pure gold is 24-karat gold, which is too soft to be made into... (answered by josmiceli)
Gold coin is usually 90% gold and 10% copper. How many ounces of pure gold (24K) must be... (answered by TimothyLamb)
One hundred pure gold is 24-karat gold, which is to soft to be made into jewelry. Most... (answered by josgarithmetic)