Jolene's answer to Cindy's Primary 6 Maths Ratio Singapore question.
Is the left side folded 2x? Should 19+21 x2, as open up also mirror image like 32
180-19-21-19-21-21-32=
Thank you.
180-19-21-19-21-21-32=
Thank you.
Yes, so it will be 180-32(2) - 21 -2(19+21)
Thank you
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