example the sum of x and y equals 3 more than z . Expressed algebraically= x + y = z + 3 Help! :( 1. simple interest is the product of "p" dollars, "r"...

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The larger of two numbers is two more than three times the smaller.And when the larger number is subtracted from the smaller, the result is -16. What are the two numbers.

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Tyler starts walking at 2 miles per hour. An hour later, Nadine starts jogging along same route at 6 miles per hour. How long will it take Nadine to catch up with Tyler?