Answer:
Let x be the unknown quantity of 50% silver.
Look at the silver concentrations... This will be 0.5x of actual silver,
Added to 5% silver in 500g or 0.05(500)g of actual silver
Totaling to (500+x)g of 20% silver which will have 0.2(500+x)g of silver
Your equation is:
0.5x + 0.05(500) = 0.2(500+x)
Solve for x to find the grams of 50% silver used
Step-by-step explanation:
sana maka tulong po sorry po kung mali
Answer:
10.6
Step-by-step explanation:
31-2=29 you add 2 to both sides so -2 cancels and you are left with X=31
the answer is 31
Integers are closed under subtraction.
The same line! hope this helps! i’m not 100% sure so if i’m wrong don’t flame me