Solve the problem.How much pure acid should be mixed with 3 gallons of a 50% acid solution in order to get an 80% acid solution?
A. 4.5 gal
B. 1.5 gal
C. 7.5 gal
D. 12 gal
Answer: A
Mathematics
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Write the first four elements of the sequence. 
n
A. 2, 
, 
, 
B. 0, 2, 
, 
C. 0, 1, 
, 
D. 1, 
, 
, 
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Provide an appropriate response.Cast iron contains 4.25% carbon. If a bar contains 13.6 pounds of carbon, how heavy is the bar?
A. 3.2 lb B. 0.578 lb C. 320 lb D. 57.8 lb
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Solve the problem.Find the amount of increase if 200 is increased by 5% .
A. 10 B. 1 C. 0.1 D. 100
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Determine if the second number is a factor of the first number.15; 60
A. Yes B. No
Mathematics