In January, Mrs. Smith put $10,000 into an account that earned 3.18% simple
interest per year. Eleven months later,
she withdrew the interest only from the
account for purchasing gifts. How much
money did she have to buy gifts?

this excerpt is taken from the book “we shall not be moved : the women’s factory strike of 1909 “ and is written by joan dash. it is the story of the great strike when almost 30thousand women working in factories in america formed a union to fight unsafe working conditions, long working hours and miserable wages.

question: which best states the author’s purpose for including this information in the text?

answer: to challenge the reader’s ideas about a historical event