A student makes and sells necklaces at the beach during the summer months. The material for each necklace costs her $6 and she has been selling about 30 per day at $10 each. She has been wondering whether or not to raise the price, so she takes a survey and finds that for every dollar increase she would lose 4 sales a day,
(a) If she increases her pr by x dollars, then her price will be 10+x
produce the necklaces for a day will be 6(30-4x)
✓ dollars.
dollars, her number of sales for the day will be 30-(4x)
necklaces, and her cost to
(b) Write her profit P as a function of the number x of dollar increases in price:

add an !

step-by-step explanation:

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

given hc ∥ gd.¯¯¯¯¯¯which statement is true

step-by-step explanation:

∠cbe and ∠deb are same-side interior angles