Alex ran 12.8 km in the morning. After lunch, he continued running. When he finished the run, he had covered 31.4 km in all. Write an equation that can be used to find how far Alex ran after lunch.
Let r be the distance in kilometres that Alex ran after lunch.
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Home » Mathematics » Alex ran 12.8 km in the morning. After lunch, he continued running. When he finished the run, he had covered 31.4 km in all. Write an equation that can be used to find how far Alex ran after lunch.