Bricklayer 65064

The bricklayer would be able to repair the wall himself in 30 minutes. It would take students an hour to learn. How long will it take for them to work together?

Correct answer:

t =  20 min

Step-by-step explanation:

t1=30 min t2=1 h min=1 60  min=60 min  t (1/t1+1/t2)=1 t (1/30+1/60)=1  3t=60  t=360=20  t=20=20 min

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?
Do you know the volume and unit volume, and want to convert volume units?
Do you want to convert time units like minutes to seconds?

You need to know the following knowledge to solve this word math problem:

Units of physical quantities:

Themes, topics:

Grade of the word problem:

Related math problems and questions: