Question

The number of boys in ninth grade is 12 less than twice the number of girls. There are 51 students in ninth grade. How many are girls?

Answer 1

boys = 2g - 12. girls = g. boys + girls = 51.

Answer 2

so there r 12 girls

Answer 3

2g - 12 + g = 51. 3g = 63. g = 21. There are 21 girls. Perhaps you made a typo?

Answer 4

\[\{\text{boys}\text{ = }2*\text{girls}-12,\text{boys}+\text{girls}\text{ = }51\}\]\[\{\text{boys}=30,\text{girls}=21\} \]