In a school with 323 students there are 15 more girls than boys.How many boys are there?

Answer 1

b = numer of boys

g = number of girls

There are 15 more girls than boys.

g = b + 15

b + g = 323

b + b + 15 = 323

2 b + 15 = 323 Subtract 15 to both sides

2 b + 15 - 15 = 323 - 15

2 b = 308 Divide both sides by 2

2 b / 2 = 308 / 2

b = 154

Answer 2

154

Answer 3

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