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:

An airplane consumes fuel at a constant rate while flying through clear skies, and it consumes fuel at a rate of 64 gallons per minute while flying through rain clouds. let c represent the number of minutes the plane can fly through clear skies and r represent the number of minutes the plane can fly through rain clouds without consuming all of its fuel. 56c+64r < 900056c+64r< 9000 according to the inequality, at what rate does the airplane consume fuel while flying through clear skies, and how much fuel does it have before takeoff? the airplane consumes fuel at a rate of gallons per minute while flying through clear skies, and it has gallons of fuel before takeoff. does the airplane have enough fuel to fly for 60 minutes through clear skies and 90 minutes through rain clouds?

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left