Home
Articles
Education
Development
Home & Family
Lifestyle
Online Solutions
Newsletters
Forum
Tuition
Primary Math - thinkingMath
Secondary Math - PaceUp
Workshops
Shop
thinkingMath Books
Workshops
My Cart
Login
Log in
Remember me
Contact Us
Index
Recent Topics
Search
Welcome,
Guest
Username:
Password:
Remember me
Forgot your password?
Forgot your username?
Create an account
Forum
Primary School
Language & Humanities
P5 Constant Difference
Threaded
Indented
TOPIC: P5 Constant Difference
P5 Constant Difference
8 years 3 months ago
#1
Xiao Hei
Offline
Karma: 0
Hi,
I have this maths question that need help to solve.
Question:
The ratio of the age of Mike and Paul is 2:11. 4 years later, the ratio of the age of Mike to Paul is 5:23. How old is Mike now?
Hope there is someone to help solving this question, with workings indicated. Thank you.
The administrator has disabled public write access.
Re:Pri 5 - Maths Ratio
8 years 3 months ago
#2
Chris Rogers
Offline
Karma: 201
The ratio of the age of Mike and Paul is 2:11. 4 years later, the ratio of the age of Mike to Paul is 5:23. How old is Mike now?
Constant Difference
Now
M : P
2 : 11 (Diff 9units)
4 : 22 (Diff 18units)
4 Years Later
M : P
5 : 23 (Diff 18units)
1unit --> 4 years
Mike now is 4units --> 4 x 4years = 16 years
The administrator has disabled public write access.
Re:P5 Constant Difference
8 years 3 months ago
#3
Xiao Hei
Offline
Karma: 0
Hi Chris Roger,
Thanks for your help in solving this question.
The administrator has disabled public write access.
Threaded
Indented
Board Categories
Primary School
- thinkingMath
- Science
- Language & Humanities
Secondary School
- Mathematics
Moderators:
Chris Rogers
,
Elsa Tan
,
Wendy Choong
,
Fibonacci
,
Einstein
,
onSponge Team
Forum
Primary School
Language & Humanities
P5 Constant Difference