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: Diego buys about 3 pounds of blueberries, b
Step-by-step explanation: Lets write an equation to solve for b, how many pounds of blueberries he bought.
4.99b=14.95
Solve:
4.99b divided by 4.99 = 14.95 divided by 4.99
b = 3
Answer:
Volume = 10562.96 cu ft
10.56 hr. to drain all the water
Step-by-step explanation:
V = 1/3Bh B = area of the base h = height
The base is a circle, so
= 10562.96 cu ft
10562.96/1000 = 10.56 hr.
Hello, I'll try to make this as easy to understand as possible, anyways, let's begin:
First, we know that 3 is a bigger number than 2 1/2, and since it's negative, it means they lost weight, therefore...
Jenna lost more weight than Sarah.
Hope this helped! c: