Tailor's 40591

The tailor's salon bought 130 meters of fabric for € 1,037. The meter of the first fabric costs € 8.90, and the meter of the second fabric costs € 7.40. Thus, they bought 130 meters of fabric for € 1,037.

Correct answer:

a =  50 m
b =  80 m

Step-by-step explanation:

a+b=130 8.90 a+7.40 b=1037  a+b=130 8.9a+7.4b=1037  Pivot:Row1Row2 8.9a+7.4b=1037 a+b=130  Row28.91 Row1Row2 8.9a+7.4b=1037 0.17b=13.48  b=0.1685393313.48314607=80 a=8.910377.4000000000001b=8.910377.4 80=50=50 m  a=50 b=80



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







Tips for related online calculators
Do you have a system of equations and looking for calculator system of linear equations?
Do you want to convert length units?

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

Units of physical quantities:

Grade of the word problem:

Related math problems and questions: