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Aling Martha has 20 kilograms of tilapia to sell in the market. If she already sold 5 ½ kilograms, how many more kilograms of tilapia does she need to sell?

Sagot :

total=20kg of tilapia
sold=5 1/2kg of tilapia

How much left?=20-5 1/2

Convert to improper fraction:
5 1/2=11/2

left=20-11/2

Find LCD:2
40/2-11/2
=29/2kg

She has 29/2 kg of tilapia