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The number of boys in a class is 10 less than twice the number of girls.

Find the total number of the students in the class, if the number of boys is 5 more than the number of girls.

2 answers

let's start with "the number of boys is 5 more than the number of girls"
---> b = g+5

and "the number of boys in a class is 10 less than twice the number of girls"
---> b = 2g - 10

so 2g - 10 = g + 5

continue
Ana = Saba (around 5:15 am)