singhbunpreet

please help 

A piece of industrial machinery in the research & development lab of the company you work with, decreases in value every month after it was originally purchased for $12,419 . An equation that models the value of the machinery as a function of time (in months) is as follows: 

V(t) = Vo0.61t 

What is the value of this machinery after 35 months, to the nearest dollar?

5 and a half pounds of chocolate chip cookies are to be packed into bags each of which holds a third of a pound. How many bags will be filled and how much will be left for the packer to munch on?

There are some red and green paper clips in a box. There are 48 more red than green paper clips. 50% of the red paper clips is equal to 3/4 of the green paper clips. How many paper clips are there in the box altogether?

A batch of cookies requires 2 1/4 cup of flour and 1 egg. You have in your kitchen 8 cups of flour and a half dozen eggs.

a) How many batches of cookies can you make?

b) After you have made the cookies, how much flour and how many eggs will you have left? What portion of the original amount of flour and the original number of eggs will you have left?

The fifth grade class surveyed 144 people. They found that 1/3 of the people have umbrellas. Of the people who have umbrellas, 1/2 have black umbrellas. How many people in the survey group have black umbrellas. 

The area of a square field is 617796cm^2. Find the length of its each side.

Plz Answer StepByStep and correct.