A)Caitlyn buys 2.5 dozen sandwich rolls and 1.25 dozen dinner rolls. She also buys 1.2 times as many hamburger buns as she does sandwich and dinner rolls combined.

How many dozens of hamburger buns does Caitlyn buy?

Enter your answer in the box.

dozen

B) Kim bought 1.5 pounds of American cheese that cost $4.50 per pound. She also bought 1.75 pounds of Swiss cheese that cost $4.80 per pound.

How much did Kim spend in all?

$9.30

$11.55

$15.15

$21.60

The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get