It helps you know what to multiply and the product when you subtracting and adding fractions.
Are you thinking of hundreds? If so, then it would be 307700.
Let Sara weight =x+25
amber wiegh =x
x+25+x=205
x= 90
Sara weight is 90+25= 115
I think that the 4 sisters get 3 pieces each of the muffins because if you cut it in four pieces it gives one piece to each one of the four sisters and you keep doing it with the other two left muffins.
