A group of boys and girls have a school trip to a zoo. If #3/8# of the group is girls and boys minus girls is 127 what is the total count of children?
Let total number of children at the zoo be
By the problem there are 124 boys more than the girls.
total children count is 496
Let the count of girls be
Let the count of boys be
Let the total count be
Proportion of girls given as
This means that the proportion of boys is
It is determined that