Set up appropriate systems of two linear equations in two unknowns and then solve the systems by determinants. All numbers are accurate to at least two significant digits. The ratio of males to females on a bus was 5/7. Then two females and one male boarded, and the ratio was 7/10. How many males and females were on the bus
Chapter 5, Exercises 5.4 #50
Set up appropriate systems of two linear equations in two unknowns and then solve the systems by determinants. All numbers are accurate to at least two significant digits.
The ratio of males to females on a bus was 5/7. Then two females and one male boarded, and the ratio was 7/10. How many males and females were on the bus before the last three passengers boarded?
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Let\'s denote the number of males and females on the bus before the last three passengers boarded as "x" and "y", respectively. From the problem state…View the full answer
Related Book For 
Basic Technical Mathematics
12th Edition
Authors: Allyn J. Washington, Richard Evans
ISBN: 9780137529896