Question

A store ensures that it has exactly 355 movies on its shelves at the beginning of every week. According to their sales records, the store has sold a minimum of 19 movies per day. If 6 days have passed since the beginning of the week, and the sales records accurately predict results for the number of movies sold, what is the highest number of movies the store could currently have on its shelves?

Answer 1

334

Explanation:

M < -12(3) + 370

M < -36 + 370

M < 334

Have a good day :p

Answer 2

Remark

Suppose that 19 is also the exact number of movies sold on each of the 6 days.`

They are interested in the number of movies sold in total over a six day period.

Formula

Number of movies remaining = number movies at the start of the period - the number of days in the reporting period * number of movies sold per day.

Givens

Number of movies remaining = x

Number of movies at the start of the reporting period = 355

Number of movies sold per day = 19

Number of days in the reporting period = 6

Solve

Number Remaining = 355 - 19*6

Number Remaining = 355 - 114

Number Remaining = 241 <<<< Answer.

Remember that 19 is the minimum number of movies sold per day. So the maximum left overs must be related to 6 * 19.