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3. Bill enters a 30 kilometre race. He runs the first 20km at a speed of x kilometres per hour and the last 10km at (x-5) kph. His total time for the race was 4 hours. a) Write …

3. Bill enters a 30 kilometre race. He runs the first 20km at a speed of x kilometres per hour and the last 10km at (x-5) kph. His total time for the race was 4 hours. a) Write …
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3. Bill enters a 30 kilometre race. He runs the first

20km at a speed of x kilometres per hour and the
last 10km at (x-5) kph. His total time for the
race was 4 hours.
a) Write down an equation in terms of x and solve it.
b) What are his speeds for the two parts of the run?​

asked
User Citronex
by
7.2k points

1 Answer

3 votes

Answer:

Did bill take a break? he must be tired.

Step-by-step explanation:

answered
User Avinash Solanki
by
7.9k points
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