Solve.A cyclist bikes at a constant speed for 20 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 25 miles. Find his speed.

A. 6 mph
B. 7 mph
C. 5 mph
D. 4 mph


Answer: C

Mathematics

You might also like to view...

Refer to the weighted voting system  and the Banzhaf definition of power. (The four players are P1, P2, P3 and P4.)Which players are critical in the coalition {P1, P3, P4}?

A. P1 and P3 only B. All three players C. None of the players D. P1 only E. none of these

Mathematics

Solve the inequality.(8 - 4x)2 ? -9

A. ?
B.  ? 
C.
D. (-?, ?)

Mathematics

Match the given equation with one of the graphs.36x2 + 25y2 = 900

A.

B.

C.

D.

Mathematics

Determine the first five terms of the geometric sequence.a1 = 2, r = 

A. 2, 
B.
C. 2, 
D. 2, 10, 50, 250, 1250

Mathematics