Question

A problem states there are seven more girls than boys and I class there are 23 students in the class in all how many girls are there in the class

Answer 1

W R I T E   T H E  E Q U A T I O N

23 = X + (X+7)
23 = 2X + 7
16=2X
/2   /2
8=X

Girls = X+7
         = 8+7
         = 15

S O   T H E R E   A R E   1 5   G I R L S