The EPA standard for safe drinking water is a maximum of 1.3 milligrams of copper per liter of water. A water testing firm found
8.3 milligrams of copper in a 5-liter sample drawn from Jim and Sharon LeBlanc's
house. Is the water safe or not? By how much does the amount of copper exceed or fall short of the maximum allowed?
Is the water safe for drinking?
No
Yes
1 answer:
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Answer:
X= 15
Step-by-step explanation:
multiply 5 on x/5 and 9
divide 3 and 45
x=15
Cost of items = $23.45
Tax = 8% of $23.45 = 0.08*23.45 = $1.88
Tip = 20% of $23.45 = 0.2*23.45 = $4.69
Total cost = 23.45 + 1.88 + 4.69 = 30.02
Answer: $30.02
<h2><u>ANSWER</u></h2><h3>UX+RX=W</h3><h3>LETS TAKE X COMMON</h3><h3>X(U+R)=W</h3><h3>X=W/(U+R)</h3>
Answer:
0.81
Step-by-step explanation:
