Astronauts milky and way boarded their spacecraft 4 1/2 hours before launch. They ate lunch 2 1/3 hours after launch. How many hours passed between boarding time and lumch time?

Keyoka has some bows. she has 8 more purple bows than green bows. she has twice as many orange bows as purple bows. she has 9 green bows. how many bows does keyoka have altogether? student's solution: work backwards. keyoka has 9 green bows.

If 20+20 is 40 percent what is 20 of half percent.

Women athletes at the university of colorado, boulder, have a long-term graduation rate of 67% (source: the chronicle of higher education).

Product is a 12 ounce bottle of generic mouthwash that sells $4.39 product B is a 24 ounce bottle of mouthwash that cost $2.79 which is the better buy. show the math problem step by step.

Dr. Trekcir has $875 to invest. he invests some of it in account#1 paying 8% annual interest and the rest of it in account#2 paying 4% annual interest. After 1 year total interest is $49.00. find hou much is invested in each account

If f (x) = 2x + 6 and g (x) = x?, what is (g° 810) ?

The price of a dress is reduced by 5 0%. When the dress still does not sell, it is reduced by 5 0% of the reduced price. If the price of the dress after both reductions is $100 , what was the original price?

Factories often add filler when making meatballs sold by the bag. One factory obtained 63 kg of beef from overseas. They want to add 0.6 oz of filler for each pound of beef.

Evaluate S5 for 300 + 150 + 75 + ... and select the correct answer below.

An insurance company sells an auto insurance policy that covers losses incurred by a policyholder, subject to a deductible of 100. Losses incurred follow an exponential distribution with a mean of 300.