How do I do this qns without using algebra? Please help. Thank you. Trying to do

Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.

Primary 4 | Maths
2 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question

Primary 4 Maths Singapore

How do I do this qns without using algebra? Please help. Thank you. Trying to do my method but it seems like I'm wrong.

Date Posted: 5 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

It’s kinda the same

Date Posted: 5 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Date Posted: 5 years ago

Sin Yee

5 years ago

You have to subtract 3 years old twice as there are 2 people.