Respuesta :
Least amount - 4 umbrellas
Most amount - 9 umbrellas
30=4x+12 (3 hats x $4 each)
50=4x+12 (3 hats x $4 each)
Most amount - 9 umbrellas
30=4x+12 (3 hats x $4 each)
50=4x+12 (3 hats x $4 each)