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le chat dodu

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Let x be the number of students in the class. (0.01x)(x) + 13 = 49
Excellent!
To start with, multiply the first fraction by (x+1)/(x+1) and the second fraction by (x-2)/(x-2). This will give the two fractions a common denominator, that will then allow you to add the fractions together.
In your question, 75 km doesn't make sense/looks like a typo. Was this supposed to be a starting time instead? The solution below ignores it. Let C be the point at which the scooters meet. Let x be the distance from A to C, in km. Then 165-x is the
r (2d + 3t)

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