Respuesta :
100% - (39% + 28% + 13%) = 100% - 80% = 20%
so 20% are watermelons.
20% of 1505...
0.20(1505) = 301
so 301 are watermelons
so 20% are watermelons.
20% of 1505...
0.20(1505) = 301
so 301 are watermelons