andrei poate manca o pizza in 30 de minute,alex in 15 minute ,iar adrian in 10 minute . in cat timp pot manca cei trei baieti impreuna 6 pizza ?justificati raspunsul.
a)va rog cat mai repede si explicat plzzzzzzzzzzzzzzzzz
andrei - 1 pizza 30 min alex - 1 pizza 15 min adrian - 1 pizza 10 min cmmmc = 2x3x5=30 deci andrei va manca 30:30 = 1 pizza deci alex va manca 30:15 = 2 pizza deci andrei va manca 30:10 = 3 pizza total 1+2+3 = 6 pizza in 30 min