Answer:
Task 4:
1. 5km
2. 600km
3. 78km
4. 62mi
5. 5mi
6. 168mi
Task 5:
1. 60km
2. 455km
3. 23km
4. 60km
5. 82.5km
1. 5s
2. 400/3 s = 133.33 s
3. 139/13 s = 10.69 s
Task 6:
1. 5h
2. 4h
3. 10/3 h = 3.33h
4. 14/3 h = 4.67h
5. 64/17 h = 3.76h
Explanation:
D = S × T
1. (10km/h)(½h) = 5km
2. (600km/h)(1h) = 600km
3. (52km/h)(1½h) = 78km
4. (62mi/h)(1h) = 62mi
5. (10mi/h)(½h) = 5mi
6. (56mi/h)(3h) = 168mi
1. 30km/h × 2h = 60km
2. 65km/h × 7h = 455km
3. 46km/h × ½h = 23km
4. 45 mins = ¾h
80km/h × ¾h = 60km
5. 55km/h × ½h = 82.5km
T = D ÷ S
1. 5m ÷ 1m/s = 5s
2. 200m ÷ 1.5m/s = 400/3 s = 133.33 s
3. 139m ÷ 13m/s = 139/13 s = 10.69 s
1. 100km ÷ 20km/h = 5h
2. 180km ÷ 45km/h = 4h
3. 250km ÷ 75km/h = 10/3 h = 3.33h
4. 280km ÷ 60km/h = 14/3 h = 4.67h
5. 320km ÷ 85km/h = 64/17 h = 3.76h
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Answers & Comments
Answer:
Task 4:
1. 5km
2. 600km
3. 78km
4. 62mi
5. 5mi
6. 168mi
Task 5:
1. 60km
2. 455km
3. 23km
4. 60km
5. 82.5km
Task 5:
1. 5s
2. 400/3 s = 133.33 s
3. 139/13 s = 10.69 s
Task 6:
1. 5h
2. 4h
3. 10/3 h = 3.33h
4. 14/3 h = 4.67h
5. 64/17 h = 3.76h
Explanation:
D = S × T
Task 4:
1. (10km/h)(½h) = 5km
2. (600km/h)(1h) = 600km
3. (52km/h)(1½h) = 78km
4. (62mi/h)(1h) = 62mi
5. (10mi/h)(½h) = 5mi
6. (56mi/h)(3h) = 168mi
Task 5:
1. 30km/h × 2h = 60km
2. 65km/h × 7h = 455km
3. 46km/h × ½h = 23km
4. 45 mins = ¾h
80km/h × ¾h = 60km
5. 55km/h × ½h = 82.5km
T = D ÷ S
Task 5:
1. 5m ÷ 1m/s = 5s
2. 200m ÷ 1.5m/s = 400/3 s = 133.33 s
3. 139m ÷ 13m/s = 139/13 s = 10.69 s
Task 6:
1. 100km ÷ 20km/h = 5h
2. 180km ÷ 45km/h = 4h
3. 250km ÷ 75km/h = 10/3 h = 3.33h
4. 280km ÷ 60km/h = 14/3 h = 4.67h
5. 320km ÷ 85km/h = 64/17 h = 3.76h