Solve the problem.James walks and jogs to his favorite coffee shop to study each weekend. He averages 
walking and 
jogging. The distance from his home to the coffee shop is 
and he makes the trip in 
How long does James jog?
A. 3 hr
B. 4 hr
C. 1 hr
D. 2 hr
Answer: C
Mathematics
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A. Valid B. Invalid
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Express the number as a decimal. Give your answer to two decimal places, if required.
?
Fill in the blank(s) with the appropriate word(s).
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Solve the system by the elimination method. 7x + 8y = 48 2x - 5y = -30
A. ? B. {(0, 6)} C. {(-1, 7)} D. {(0, 7)}
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Solve the equation for the indicated variable.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
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