• Matematika
  • ALJABAR Kelas 7 SMP
  • PERBANDINGAN
  • Penerapan Perbandingan dalam Kehidupan Sehari-hari

Video solusi : Two men, working at the same rate, took 5 days to lay the bricks of a wall. If the rate of one man was doubled and that of the other man was halved, how long would they have taken to finish the wall?

Sukses nggak pernah instan. Latihan topik lain, yuk!