Question

Which equation can be used to find y, the age in years of lanie’s sister

Answer 1

J

Explanation:

Lanie's sister's age - abbreviated with 'y'. Since Lanie is double her sister's age + 5, the equation would be 1/2·y+5. Since Lanie's sister is 1/2 of lanie's age - 5, the correct answer would be J.