Using guess and check, am I on the right way? Please help

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primary 6 | Maths | Data Analysis
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primary 6 Maths Data analysis Singapore

Using guess and check, am I on the right way? Please help

Date Posted: 3 years ago

AC Lim

3 years ago

Can use guess and check but is time consuming.
FYI. She has 5 times as many 20c as 50c...
20c = 5u
50c = 1u

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Hope this helps

Date Posted: 3 years ago

Victor

3 years ago

Thank you sir.. understand. I still have so many question to do..can you please help?