An experienced bricklayer can work twice as fast as an apprentice bricklayer. After the bricklayers work together on a job for 8 h, the experienced bricklayer quits. The apprentice requires 10 more hours to finish the job. How long would it take the experienced bricklayer, working alone, to do the job? h

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Author:Erwin Kreyszig
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An experlenced bricklayer can work twice as fast as an apprentice bricklayer. After the bricklayers work together on a job for 8 h, the experilenced bricklayer quits. The apprentice requires 10 more hours to finish
the job. How long would it take the experienced bricklayer, working alone, to do the job?
Three computers can print out a task in 10 min, 15 min, and 30 min, respectively. How long would it take to complete the task with all three computers working?
min
An engineer traveled 110 mi by car and then an additional 750 mi by plane. The rate of the plane was three times the rate of the car. The total trip took 8 h. Find the rate of the car.
mph
Transcribed Image Text:An experlenced bricklayer can work twice as fast as an apprentice bricklayer. After the bricklayers work together on a job for 8 h, the experilenced bricklayer quits. The apprentice requires 10 more hours to finish the job. How long would it take the experienced bricklayer, working alone, to do the job? Three computers can print out a task in 10 min, 15 min, and 30 min, respectively. How long would it take to complete the task with all three computers working? min An engineer traveled 110 mi by car and then an additional 750 mi by plane. The rate of the plane was three times the rate of the car. The total trip took 8 h. Find the rate of the car. mph
A team of blologists captured and tagged approximately 2300 northern squawfish at the Bonneville Dam on the Columbla River. Later, 198 squawfish were recaptured and 9 of them had tags. How many squawfish
would you estimate are in the area?
|squawfish
Transcribed Image Text:A team of blologists captured and tagged approximately 2300 northern squawfish at the Bonneville Dam on the Columbla River. Later, 198 squawfish were recaptured and 9 of them had tags. How many squawfish would you estimate are in the area? |squawfish
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