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Last month Maria hiked the 5-mile mountain trial a number of times and she hiked the 10-mile canal trial several times. Let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trial. Is she hiked a total of 90miles , which equation can b used to find the number of times Maria hiked each trail ?

Respuesta :

Answer:

Step-by-step explanation:

x + y = 90 5x – 10y = 90    90 – 10y = 5x 90 + 10y = 5x

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