See Shawn's answer to UwU's Primary 6 Maths Measurement Singapore question

Shawn's answer to UwU's Primary 6 Maths Measurement Singapore question.

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Date Posted: 5 years ago

Comments 1 add a comment

Shawn

5 years ago

With only 20 and 50 cents coins, to make 90 cents the only combination is with 2 20 cents coins and 1 50 cents coin. To make $2.60 with 7 coins the only combination is 4 50 cents coins and 3 20 cents coins.