Barbie and Woody go from school to a swimming pool, starting at the same time. Barbie walks at 70 meters per minute and Woody cycles 3 times as fast as Barbie walks. 9 minutes later, Woody arrives. How many minutes earlier than Barbie does Woody arrive?
1 Answer
Apr 18, 2018
Woody arrived
Explanation:
When you are working with Distance=speed-time problems remember that if you know two of the values you can calculate the third one,
Barbie: She walks at a speed of
Woody: Cycles
He cycled for
Barbie: walked the same distance of
Her speed was
The time she took:
Woody arrived