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Paul [167]
3 years ago
12

Steffan cycled 10km in 45 minutes. He rested for

Mathematics
2 answers:
Charra [1.4K]3 years ago
4 0

Answer:

0.2km/min or 12.7km/hour

Step-by-step explanation:

<em>speed = distance ÷ time</em>

speed = (10km + 8km) ÷ (45 mins + 40 mins)

= 18 ÷ 85

= 0.21176...km/min ≈ 0.2km/min

To convert 0.21176...km/min into km/hr, you multiply by 60

0.21176...km/min × 60 = 12.70588...km/hr ≈ 12.7km/hr

postnew [5]3 years ago
3 0

Answer:  If you measure out a 10k course and then time how long it takes you to ride it, that will tell you which speed range to use and what time to input. If you weigh 185 pounds and fall into the 12 to 13 mph range, it will take you about 30 minutes to pedal 10k — which means that according to the ACE estimates, you will burn about 335 calories.

Step-by-step explanation:

Hope this helps!

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