Asurfboard shop sells 45 surfboards per month when it charges $500 per surfboard. for each $20 decrease in price, the store sells 5 more surfboards per month. how much should the shop charge per surfboard in order to maximize monthly revenue?

Cost at which shop charge per surfboard in order to maximize monthly revenue is $300.

Step-by-step explanation:

Given : A surfboard shop sells 45 surfboards per month when it charges $500 per surfboard. For each $20 decrease in price, the store sells 5 more surfboards per month.

To find : How much should the shop charge per surfboard in order to maximize monthly revenue?

Solution :

A surfboard shop sells 45 surfboards per month,the store sells 5 more surfboards per month.

Let the surfboard sold be =

It charges $500 per surfboard, for each $20 decrease in price.

The cost at which they will be selling surfboard will be

Net revenue is

The maximum value of is when

Therefore, The maximum value of   is

Cost at which shop charge per surfboard in order to maximize monthly revenue is

Substitute the value of x in cost

Therefore, Cost at which shop charge per surfboard in order to maximize monthly revenue is $300.

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

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step-by-step explanation:

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