1.

3. Express the first quantity as a ratio of thesecond quantity.b) 50 m, 1 km​

Answer»

1 : 20Step-by-step explanation:To find the RATIO, we NEED same units. So, we have to CONVERT km into m.1 km = 1000 mRatio = 50 : 1000 = 1 : 20



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