Question

8. The circumference of a wheel is 12.5 metres and it moves 2.5 times in a second. If
1 mile = 1.6 Km, determine the time required to move 100 miles by the wheel.
Ans 1 hr 25 min 20 sec ​

Answer 1

Answer:

The circumference of a wheel is 12.5 metres and it moves 2.5 times in a second. If 1 mile = 1.6 Km, determine the time required to move 100 miles by the wheel. Ans 1 hr 25 min 20 sec

Step-by-step explanation:

correct answer

Answer 2

Answer:

Step-by-step explanation:

speed=12.5÷2.5=5

100miles=1.6×100=160km

160÷5 =32

32 km÷m÷sec=32 sec ×km ×100÷1km=3200 seconds