Let x be the desk and 100-X the square stool.
10X= 15( 100-X)
10X= 1500- 15X
25X= 1500
X=60
100-X=40
60 people make desks and 40 people make square stools.
If you agree with my answer,
Please click the "Accept as Satisfied" button in time (or comment at the satisfaction point in the upper right corner of the client).
Your adoption,
It is my motivation to move forward! Your adoption will also bring you wealth value.
If you don't understand,
You can ask questions until you understand the question!