Question

It takes 5 carpenters 5 hours to make 5 chairs. How long would it take 100 carpenters to make 100 chairs?

Answer 1

100 carpenters make 100 chairs in _____ hours ?

Answer : $\bold{5 \: hours}$


Explanation -


Given :

5 carpenters make 5 chairs in 5 hours



Finding time if 1 carpenter make 1 chair -

1 carpenter - 1 chair = 5x5/5 = 5 hours.

So , 1 carpenter make 1 chair in 5 hours



Finding time if 100 carpenters make 100 chairs -

100 carpenters - 100 chairs = ? Time


$\dfrac{5 \times 5 \times 100}{5 \times 100}$


$\dfrac{2500}{500} = 5$


So , 100 carpenters make 100 chairs in 5 hours .



$\bold{Answer : 5 \: hours}$

Answer 2

$\bold\frac{{x}^{3}+{y}^{3}}{x+y}$