# alg

the thickness of a book is determined by the thickness of its cover and its pages. the front and back covers of a book like this one are each about 3 mm thick and every 25 pages adds an additional millimeter to the thickness. let nb be the number of pages and t be its thickness.
a) how thick would a 600 page book be?
b) if total thickness it to be under 48 mm, what is the largest number of pages that can be in the book?
c) give an equation relating n to T

1. 👍
2. 👎
3. 👁
1. You have the thickness of the two covers (6mm) with an additional Nmm for every 25 pages.

T = 6mm + Nmm/25

With the formula, you should be able to answer the other two questions.

I hope this helps. Thanks for asking.

1. 👍
2. 👎

## Similar Questions

1. ### Algebra 1

I need help pls! 1. A lake near the Artic Circle is covered by a 2-meter thick sheet of ice during the cold winter months. When spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant

2. ### Math

Geoff is reading a book. On Monday he reads 1/3 of the book. On Tuesday he reads 3/10 of the remaining pages. He has 35 pages left to read. How many pages are in the book?

3. ### Science

What fraction of the thickness of the thickest continental crust is the thickness of the oceanic crust? Give your answer as a reduced fraction.

4. ### mathematics

The mass of a sheet of metal varies jointly with its area and its thickness.A sheet of metal of area 250 cm square and thickness 1 mm has a mass of 200 g. (a) Find the formula which connects the mass Mg,the area A cm square and

1. ### Math

A bookworm finds itself on page 1 of volume 1 and begins eating straight through to the last page of volume 5.If each book is 6 centimeters thick,including the front and back covers,which are half a centimeter each what is the

2. ### Pre-AP Chemistry

Volume (cm3 Area(cm2) Thickness (cm) .20 cm3 100 cm2 0.002 cm .28 cm3 122 cm2 0.002 cm .24 cm3 144 cm2 0.017 cm .41 cm3 225 cm2 0.0018cm If you had used a very crude balance that allowed only one significant figure, how would this

3. ### AP Physics

A Physics book has a height of 26 cm, a width of 22 cm, and a thickness of 4 cm. Find the pressure that the Physics book exerts on a desktop when the book lies face up and when the book is balanced on its spine. I know that P=F/A,

4. ### math

Tyler used 2989 digits to number the pages of a book. How many pages does the book have? I know that pages 1-9 use 1 digit, total number is 9 Pages 10-99 use 2 digits, total number is 180 Pages 100-999 use 3 digits, 900 pages=

1. ### Solar Energy Help ASAP

In the figure below the absorption coefficient as a function of the wavelength for several semiconductor materials is presented. Let's consider monochromatic light of photons with energy of Eph=1.55eV that incidents a film with

2. ### Statistics

Thickness measurements of ancient prehistoric Native American pot shards discovered in a Hopi village are approximately normally distributed, with a mean of 4.9millimeters (mm) and a standard deviation of 1.5 mm. For a randomly

3. ### algebra

^ = exponent **show work please A sheet of 67-pound paper has a thickness of 100^-1 inch. a. write and evaluate an expression for the total thickness of 5 sheets of 67-pound paper b. write and evaluate an expression for the total

4. ### CALCULUS

A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the slick is expanding at 0.1 m/min, and its thickness is .02 m. At that moment: a. How fast is the area