Tolong ya kak bantuinnn…

1. = 240 : 20

  = 12 liter/menit

  = 720 liter/detik

2. = 5 : 5

   = 1 liter/menit

3. = 90 : 30

   = 3 liter/menit

4. = 60 x (1.5 x 60)

   = 60 x 90

   = 5.400

5. = (50 x 50 x 60) : 7.500

   = 150.000 : 7.500

   = 20 menit