3 lb 5 oz X 6 = __lb __ oz
1 answer:
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Radius [ r ] = 6 units
Area of a circle =
= 
sq. units.
Hence, the answer is B.
Area of a circle =
Hence, the answer is B.
Answer:
<em>The jar contains 156 grams of zinc</em>
Step-by-step explanation:
<u>Ratios</u>
Let's call
Z=gr of zinc
C=gr of copper
We know the ratio between them in a certain chemical is:
The jar of the chemical contains C=663 gr of copper. Calculate the grams of zinc by solving the above relation for Z:
Multiplying by C:
Substituting the value of C:
Z=156 gr
The jar contains 156 grams of zinc