sara is unlikely to score a point on her next turn
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:
= 330/1 ÷ 3/4
= (330 × 4) / (3 × 1)
= 1320/3
= 440/1
<span>= 440
Hope this helps! </span>
The answer is: B. x=+_14; c=6
Hope this helps, happy holidays!! :p