1. If the digits of a two-digit number are reversed, the number is increased by 36. The sum of the digits in the number is three times their difference. What is the number? in 2 hours and then 5 miles

Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter4: Rational Expressions
Section4.7: More Fractional Equations And Applications
Problem 46PS
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Exercise 7.2
Solve the following problems
1. If the digits of a two-digit number are reversed, the number is
increased by 36. The sum of the digits in the number is three times
their difference. What is the number?
2. A man rowed 6 miles upstream in 2 hours and then 5 miles
downstream in 1 hour. Find the rate of the man in still water and
the rate of the current.
Transcribed Image Text:Exercise 7.2 Solve the following problems 1. If the digits of a two-digit number are reversed, the number is increased by 36. The sum of the digits in the number is three times their difference. What is the number? 2. A man rowed 6 miles upstream in 2 hours and then 5 miles downstream in 1 hour. Find the rate of the man in still water and the rate of the current.
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