Resposta :
Resolução!
♦ Grandezas inversamente proporcional
x/2 + x/5 + x/10 = 432 __ MMC = 10
5x + 2x + x = 4320
8x = 4320
X = 4320/8
X = 540
x/2 => 540/2 = 270
x/5 => 540/5 = 108
x/10 = 540/10 = 54
x/2 + x/5 + x/10 = 432 __ MMC = 10
5x + 2x + x = 4320
8x = 4320
X = 4320/8
X = 540
x/2 => 540/2 = 270
x/5 => 540/5 = 108
x/10 = 540/10 = 54