• 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?

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