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if 1.6cm=20km in text book for reading maps than how much is 2.3cm.
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1.6 / 20 = 2.3 / x
1.6 * x = 20 *2.3
1.6x = 46 Divide both sides with 1.6
x = 46 / 1.6
x = 28.75 km
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