Number of female is :       60 x 3 : 5 = 36 ( student )

Number of male is :           60 - 36 = 24 ( student )

                                                    Answer : 24 student

The edge length of the cube is :

\(\sqrt[3]{216}\)= 6 (cm) because 6 x 6 x 6 = 216 

The area is :

6 x 6 = 36 (cm2)

Change : half an hour = 0,5 hour

The speed of the car is :

   ( 25 - 5 ) : 0,5 = 40 ( km / hour )

Answer : 40 km / hour

a) Five fractions equals 3/5: 6/10; 9/15; 12/20; 15/25; 30/50.

b) Five fractions equals 5/8: 10/16; 15/24; 20/32; 25/40; 50/80.

c) Five fractions equals 36/108: 1/3; 2/6; 3/9; 12/36; 18/54. 

The distance between the houses is: 3000: 100 = 30 (minute)
Homeownership is: 3000: 150 = 20 (minutes)
Average by John in a minute: 3000: (20 + 30) = 60 (minute)

Answers:60 minute

The distance between the houses is: 

               3000: 100 = 30 (minute)
Homeownership is: 

              3000: 150 = 20 (minutes)
Average by John in a minute:

              3000: (20 + 30) = 60 (minute)
                       Answers:60 minute