4th grade algebra
posted by stephanie .
Christina has 1 less than 3 times as many bottles of nail polish as her sister, Lucia.
They have a total of 25 bottles.
How many more bottles does Christina have than Lucia?
C = 3*L - 1
C + L = 25
where C is the number of bottles Christina has, and L is the number that Lucia has
Use algebra to solve