The number of pounds of copper in 120 pounds of brass is = 78 pounds of copper
<h3>Calculation of number of pounds of copper</h3>
The percentage of copper in the brass = 65%
Therefore the quantity of copper in the brass = 65/100= 0.65 pounds
This means that 1 pound brass contains = 0.65 pounds of copper
The quantity of copper in 120 pounds of brass = 120 * 0.65
= 78 pounds of copper.
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Answer:
72
Step-by-step explanation:
32pi×360/2pi(8)=72
central angle= arc length 360/2pi×r
Answer:
slope = -2
Step-by-step explanation:
(-5,2) (-8,8)
equation to find slope: 
=
=
= -2
Six people. because if you count theres 55, 56,58,58, 63,63 so thats six people.
56ft². <span>Surface Area = 2×(2×2 + 2×6 + 2×6)</span>