sstrike's answer to Cshjwrk's Primary 6 Maths Measurement Singapore question.
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【Rate - total unchanged】
90:120 = 3:4
3×4u = 4×3u = 12u
90×4u = 120×3u = 90×4×6 = 2160
2×2160 = 4320 (Ans)
90:120 = 3:4
3×4u = 4×3u = 12u
90×4u = 120×3u = 90×4×6 = 2160
2×2160 = 4320 (Ans)
Date Posted:
3 years ago