# calculus

posted by Chelsy

A multistoried building has a floor area of 2,000 square feet on the ground floor, 1,995 square feet on the 1st floor, 1,990 square feet on the 2nd floor, and so on. If the areas
of the higher floors follow this sequence, what is the expression to calculate the area of the nth floor?

An=(n-1)-5
An=2000-(n-1)
An=an-i-5
An=an-5
An=n-5

1. Anonymous

If we specify that the ground floor is floor 0,

The area on the nth floor is clearly
An = 2000 - 5n

none of the given choices.

2. yasmin

d i v i d e

3. nicxhole

The floor in Lila's bedroom is 30 square yards. Calculate the area in square feet.

## Similar Questions

The legnth of a rectangular floor is 2 feet more than it's width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the …

The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the …
3. ### johnson

The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the …
4. ### Algebra

The floor of a one-story building is 14 feet longer than it is wide (see figure). The building has 1472 square feet of floor space. a) Write a quadratic equation for the area of the floor in terms of w. (b) Find the length l and width …
5. ### Algebra

Algebra Word Problems: 1. The length of the floor of a one-storey building is 14 feet longer than its width. The building has 1,632 square feet of floor space. Write a quadratic equation for the area of the floor in terms of w. Find …
6. ### math

Jeff is replacing the tile on his floor. he pans to use square tiles that are 11 inches on a side. the floor is 8 feet long and 6 feet wide. cabinet in the middle of the floor that will not need tile. this space is 2 feet wide and …
7. ### math

A school custodian waxed a gymnasium floor that measured 20 feet by 20 feet. How many square feet did she have to wax?
8. ### math

A floor refinishing company charges \$1.91 per square foot to strip and refinish a tile floor for up to 1000 square feet. There is an additional charge of \$250 for toxic waste disposal for any job which includes more than 150 square …
9. ### Algebra

The area of a rectangular floor is represented by 9x^2+15x square feet and the width of the floor is 3x feet. Which expression represents the length of the floor?
10. ### Math

A floor refinishing company charges \$1.87 per square foot to strip and refinish a tile floor for up to 1000 square feet. There is an additional charge of \$250 for toxic waste disposal for any job which includes more than 150 square …

More Similar Questions