Answer:
Explanation:
To find how far Jemma can walk in 2 1/4 hours, we need to multiply her walking speed by the time she walks:
Distance walked = Speed x Time
Jemma can walk 5 1/2 km each hour, which is the same as 11/2 km/hour.
The time she walks is 2 1/4 hours, which can be written as 9/4 hours.
So,
Distance walked = (11/2) km/hour x (9/4) hours
Distance walked = 99/8 km
Distance walked = 12 3/8 km
Therefore, Jemma can walk approximately 12 3/8 km in 2 1/4 hours.