If 3 hens lay 3 eggs in 3 days, how many eggs are laid in 12 days by 3 hens? ? (daily brain puzzle)

12 eggs.

Step-by-step explanation:

If 3 hens lay 3 eggs in 3 days.

Since a group of 3 hens laid in 3 days = 3 eggs

The group of 3 hens laid in 1 day =   eggs

The group of 3 hens laid in 12 days =  

                                                           =  

                                                           = 12 eggs.

12 eggs were laid in 12 days by 3 hens.

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

do your own work and don"t cheat.

step-by-step explanation: