The number of CD's sold since April 8 at a music store can be
modeled by the function N(d) = 12d + 35 and the price per
CD can be modeled by P(d) = 0.3d2 – d + 5, where d is the
number of days since April 8.
According to this model, what is the total amount of revenue
generated by the store's CD sales on April 18?

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

what is the original number? you forgot to add it.

the correct answer is x/3+10≥32

hope this !