SOLUTION: Mika bought a lamp at 90% of its book value. A week later she sold the lamp to her neighbor for over 25% of its book value and made a profit of $105 dollars. What is the book v

Algebra.Com
Question 772463: Mika bought a lamp at 90% of its book value. A week later she sold the lamp to her neighbor for over 25% of its book value and made a profit of $105 dollars.
What is the book value of the lamp.
How much did her neighbor pay?

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Let = the book value
She bought the lamp for
She sold the lamp for
-------------------
The profit is:
( selling price ) - ( purchase price )




--------------
The neighbor paid


$375

RELATED QUESTIONS

Esteban bought a desk lamp at a sale price of $20.25. The original price of the lamp was... (answered by josmiceli)
A lamp is bought for $240 and sold six years later for $60. a) Find the... (answered by stanbon,Edwin McCravy)
im now sure i need HELP PLEASE If the illumination of a book 9m from a lamp is 150... (answered by Alan3354)
a lamp is bought for 360$ and eight years later it is bought for 200$ find the... (answered by josmiceli)
HEY SOMEONE PLEASE HELP ME...... IF THE ILLUMINATION OF A BOOK 9 M FROM A LAMP IS 150... (answered by vleith)
If a lamp is $120 and its has a discount of 20%the and a tax of... (answered by rfer)
Lamps which cost $120 wholesale are sold for $192, at a profit of $6 per lamp. How many... (answered by rfer)
a couple bought a flat at 680000.they sold it sometime later for 25% what they... (answered by richwmiller)
in 1963 if you purchased a book for 19 cents 52 years later the value of the book rose to (answered by Alan3354)