Question

Solve the equation by reducing them to a pair of linear equation .
Class 10 CBSE , explain step by step

Answer 1

Answer:

Let the number of machines required be x.

Ncert solutions class 8 chapter 13-67

Here the number of machines and the number of days are in inverse proportion.

63/54 = x/42

63×42 = 54x

x = 63×42/54

x= 49

Hence 49 machines would be required.