There are 63 people in total.
What is the ratio?
The numerical relationship between two numbers indicates how frequently one value contains or is included within the other.
The solution to the problem.
Let there be x number of girls.
By the definition of ratio, we can say that there are 6x boys.
We are given that the number of boys is 45 more than girls so,
6x = x+45
Transposing x to the other side
5x = 45
Dividing 5 into both sides
x = 9
so total number of boys = 6*9 = 54
Number of girls = 9
So the total number of people is 54+9 =63
Hence the total number of people is 63.
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