Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
primary 6 | Maths
| Speed
One Answer Below
Anyone can contribute an answer, even non-tutors.
Plz help
Date Posted: 5 years ago
Views: 297
distance need to travel remains the same => d
80 km/h
time taken = d/80 h
40 km/h
time taken = d/40 h
time difference
= 35 - 5
= 30 min
= 0.5 h
time difference
= d/40 - d/80
d/40 - d/80 = 0.5
d = 40 km
he needs to travel 40 km
...
80 km/h
time taken = d/80 h
40 km/h
time taken = d/40 h
time difference
= 35 - 5
= 30 min
= 0.5 h
time difference
= d/40 - d/80
d/40 - d/80 = 0.5
d = 40 km
he needs to travel 40 km
...
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Officially The answer by Snell
Date Posted:
5 years ago
Help me plzzzzz
360 Tutoring Program