Respuesta :
150 - s <== ur expression
when s = 27.13
150 - 27.13 = 122.87
when s = 55.14
150 - 55.14 = 94.86
when s = 27.13
150 - 27.13 = 122.87
when s = 55.14
150 - 55.14 = 94.86
her money-spent=change
150=her money
s=spent
so
150-s=change
my expression is 150-s=change
for 27.13=s
150-27.13=122.87
her change is $122.87 when s=$27.13
for s=$55.14
150-55.14=94.86
her change is $94.86 when s=$55.14
150=her money
s=spent
so
150-s=change
my expression is 150-s=change
for 27.13=s
150-27.13=122.87
her change is $122.87 when s=$27.13
for s=$55.14
150-55.14=94.86
her change is $94.86 when s=$55.14