Let x be the age of Mary Ann’s sister now.
a. Write an expression of Mary Ann’s age now if she is 5 years younger than her sister.
b. Write an expression of the age of Mary ten years from now.
c. Using the expression of Mary’s age, what is the age of Mary Ann
now if her sister is 12 yrs. old now?
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Answer:
I ᴛʜɪɴᴋ ʟᴇᴛᴇʀ ʙ.