Answer To Question (A)
4.9 lb of zinc produce 8:5:7
Answer To Question (B)
You'll need 1.7 pounds of zinc and copper in a ratio of 2:7:9.
Hope That Helps ;)
Answer:
94.72%
Step-by-step explanation:
I firgured out what 16% of 33 is = 5.28 and then I did 100- 5.28 and I got 94.72 which would be 94.72%
Remember

means

so
assuming that when no base is stated, the base is 10
y=logx means

answer is A
Answer:
for the first one is <em><u>Addition</u></em><em><u>. </u></em> the second one is