Apprentice 83169

The master gave the apprentice the task of dividing the 28 m long electric cable into two parts so that the second part was 2.5 times larger than the first. How long were the cable sections supposed to be?

Correct answer:

a =  8 m
b =  20 m

Step-by-step explanation:

a+b=28 b= 2.5 a  a+2.5a=28  a+2.5 a=28  3.5a=28  a=3.528=8  a=8=8 m
b=28a=288=20 m



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 want to convert length units?

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

Related math problems and questions: