Question

A grocery store finds that the number of boxes of new cereal sold increases each week. In the 1st week, 24

boxes of cereal were sold. In the 2nd week, 39 boxes of cereal were sold and in the 3rd week 54 boxes of
cereal were sold. The number of boxes of cereal sold each week represents an arithmetic sequence.
A) Write the explicit rule in simplified form for the arithmetic sequence that defines the number of boxes
of cereal sold in week n. Make sure to show all steps
B) Use this rule to calculate how many boxes of cereal will be sold during the 10th week.

Answer 1

Answer: a)159 boxes of cereal will be sold during the 10th week, b) an = 15n + 9

Explanation: