Posted by **Ephraim** on Sunday, June 8, 2008 at 6:47am.

Find the average speed for the journey:

jonas drives 70km in 45 min and then another 120km in 1 hour.

- Math -
**Pickle**, Sunday, June 8, 2008 at 7:14am
70*3/4 + 120*1

above is the distance travelled in 1.75 hours (1 hour, 45 minutes.) if we want the average speed, we want it 'per 1 hour'.

to get this, we divide the above answer(172.5 km) by 1.75. This gives us:

98.57km/h

## Answer This Question

## Related Questions

- Math - A motorist makes a journey of 240 km from Singapore to Malacca to visit ...
- Physics - A motorist travels 90 km at 120km/h , and 70km at 75km/h . What is the...
- Maths - Paul travels from Rye to Easton at an average speed of 90km/h. He ...
- Maths-Proportions - 1) An aircraft flying at 500 km/h completes a journey in 8.4...
- math - Q) (Speed) Ahmed drives from Abu Dhabi to Dubai. The journey takes him 1 ...
- physics - A motorist drives south at 26.0 m/s for 3.00 min, then turns west and ...
- Physics - 1. A person runs 800. m at an average speed of 6.00 m/s and then the ...
- Math - Fauzia took 30min to cycle from her house to the cinema. If she cycled ...
- Physics - Sally travels by car from one city to another. She drives for 28.0 min...
- Physics - You gave yourself 35 min to drive 23 miles to the party, but you are ...

More Related Questions