Explanation/ work ;
23-15=8
Jane is 8 years old
ANSWER-If to Ronnie she’s 15 years younger but to Lacey she’s 16 years younger that means Lacey would be 24
24-16=8
And Zack being 7 years older is 31
Info given—
Zack is 7 years older
Jane is 15 years younger ( than Ronnie)
16 years younger than Lacey
Ronnie is 23