4. Lucy is three times as old as Alex.
Lucy is 7 years older than Megan
The sum of their ages is 126.
Find the ratio of Alex's age to Lucy's age to Megan's age.

I suggest you simplify, I promise it would make it easier

hi,

3. 12.15, you are correct.

4.2.01, your first digit is correct,

hope this !

.24

step-by-step explanation:

the probability is   .24

the first player had the highest probability of getting a silver marble

the game could be made fair by adding back the marble that was drawn after each draw