SolomonMartinsen662 SolomonMartinsen662

19-05-2014
Mathematics

contestada

A businessman buys 1,440 dozen pens at $2.50 a dozen and then sells them at a price of 25¢ apiece. What is his total proﬁt on the lot of pens?

Respuesta :

rollingxie rollingxie

12-06-2014

he spend: 1440*2.5=3600
he earn: 0.25*1440*12=4320
[because he sells 0.25/each and buy 1440 dozen so 1440*12]

4320-3600=720

Answer Link

Otras preguntas

can someone help me with this problem

Rebecca scored 60 out of 75 in her end of year test. What percentage mark did her teacher give her?

If light moves from left to right along the x-axis, then the electric field line vibrates along what?? :(

If light moves from left to right along the x-axis, then the electric field line vibrates along what?? :(

Determine the equation of g(x) that results from translating the function f(x) = (x + 10)2 to the right 12 units.

If light moves from left to right along the x-axis, then the electric field line vibrates along what?? :(

Solve the system, using any method. y = x + 2 and x + 2y = 25

“A horse pulls on a cart. By Newton’s third law of motion, the cart pulls back on the horse with a force equal to that exerted by the horse on the cart. The su

Describe the wavelength of a longitudinal wave.

A girl weighs 200 newtons. How much work does she do climbing 10 meters of steps?