Solve the problem.John and Tony start from Grays lake at the same time and head for a town 10 miles away. John walks twice as fast as Tony and arrives 3 hours before Tony. Find how fast each walks.
A. Tony: 3 mph; John: 6 mph
B. Tony: 
mph; John: 
mph
C. Tony: 
mph; John: 
mph
D. Cannot be determined without more information
Answer: B
You might also like to view...
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x - y)i + (x + y)j; C is the triangle with vertices at (0, 0), (7, 0), and (0, 6)
A. 42 B. 84 C. 0 D. 252
Determine a general formula (or formulas) for the solution to the equation.2 sin ? + 
= 0
A. ? = 
+ 2n? or ? = 
+ 2n?
B. ? = 
+ 2n? or ? = 
+ 2n?
C. ? = 
+ n? or ? = 
+ n?
D. ? = 
+ n? or ? = 
+ n?
Simplify the expression.
?
?
Write the answer without using negative exponents. Assume that all variables are restricted to those numbers for which the expression is defined.
What will be an ideal response?
Check the answer. If incorrect, give the correct answer.
A. Correct B. Incorrect; should be 37 R6 C. Incorrect; should be 36 R5 D. Incorrect; should be 37 R4