4. Kaylee wanted to figure out her weekly average on food over an eight week period. She rounded each amount to the nearest five dollars. Her
amounts were as follows: week one: $120, week two: $95, week three:
$85, week four: $135, week five, $110, week six, $105, week seven: $70,
week eight: $130. Which of the following is about her weekly average
cost for food?
a. $85
b. $140
c. $ 105
d. $ 120