Max's answer to Anna Chye's Primary 6 Maths question.
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Hope this helps!
Date Posted:
6 years ago
Hiyee
Why do we need to multiply by 9?
Cheers
Why do we need to multiply by 9?
Cheers
Hi Anna,
Eventually the ratio of number of 50¢ coins to the number of 20¢ coins is 1:9, as given in the question. To make the expressions equal, the algebraic expression of the number of 50¢ coins needs to multiplied by 9.
Does this help? Cheers!
Eventually the ratio of number of 50¢ coins to the number of 20¢ coins is 1:9, as given in the question. To make the expressions equal, the algebraic expression of the number of 50¢ coins needs to multiplied by 9.
Does this help? Cheers!
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