2n - 5 = 7
Add 5 to both sides.
-5 + 5 = 0
7 + 5 = 12
2n = 12
Divide both sides by 2.
2n / 2 = n
12 / 2 = 6
n = 6.
Your answer is 6.
I hope this helps!
If you do 25% of 1588 you get 397 LB’s, so the closest one to that would be A.375
If there are x boys, there are 2x girls. boys+girls=27 gives x+2x=27. Solving, 3x=27 or x=9. Since there are 2x girls, there are 2*9=19 girls.
The decimal version of 2 8/100 is 2.08