Solve the problem. Round your answer to the nearest tenth, if necessary.A man rode a bicycle for 12 mi and then hiked an additional 8 mi. The total time for the trip was 5 hr. If his rate when he was riding a bicycle was 10 mph faster than his rate walking, what was each rate?
A. Bike: 13 mph; hike: 3 mph
B. Bike: 12 mph; hike: 2 mph
C. Bike: 14.5 mph; hike: 4.5 mph
D. Bike: 11.5 mph; hike: 1.5 mph
Answer: B
Mathematics
You might also like to view...
Solve.In Canada, a sign states that the speed limit is 120 kph. What speed is this in miles per hour? (Round to the nearest mph.)
Fill in the blank(s) with the appropriate word(s).
Mathematics
How many terms are in the expression 3ac + 2b + 6?
a. 1 b. 2 c. 3 d. 4 e. 5
Mathematics
Provide an appropriate response.Simplify: i50
A. 1 B. -1 C. i D. -i
Mathematics
Find the principal unit normal vector N for the curve r(t).r(t) = (3 sin t)i + (3 cos t)j + 4k
A. N(t) = (-sin t)i + (cos t)j B. N(t) = (sin t)i + (cos t)j C. N(t) = (-sin t)i - (cos t)j D. N(t) = (-cos t)i - (sin t)j
Mathematics