Why does Pa blame Miss Wilcox for Mattie’s ambition?

According to eric shlosser’s introduction to fast food nation what is his book primarily about?

Afruit stand has to decide what to charge for their produce. they decide to charge \$5.30$5.30dollar sign, 5, point, 30 for 111 apple and 111 orange. they also plan to charge \$14$14dollar sign, 14 for 222 apples and 222 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

What steps best a reader determine the central idea of a text? select three options.