Question

if 12 men and 16 boys can do a piece of work in 5 days and 13 men and 24 boys can do it in 4 days how long will 7 men and 10 bays take to do it ?

Step by step explanation required. ​

Answer 1

It's Linear equations

Look -

$\frac{1}{12x} + \frac{1}{16y} = \frac{1}{5}$

$\frac{1}{13x} + \frac{1}{24y} = \frac{1}{4}$

You just have to solve it as UV Or Elimination method.