llxxjokexxll
llxxjokexxll llxxjokexxll
  • 21-09-2018
  • Mathematics
contestada

you buy 75 candy bars at a cost of $0.49 each what is the total cost of 75 candy bars? use mental math

Respuesta :

rgoff786 rgoff786
  • 21-09-2018

It took me a second but its $36.75

Answer Link
s1m1
s1m1 s1m1
  • 21-09-2018
The cost= 75 candy bars •$0.49;
75•49/100= ((75•50)-75)/100= ((75•100/2)-75)/100= ((7500/2)-75)/100=
(3750-75)/100= 3675/100= 36.75

Or
75•50cents= 37.5
considering you pay 50 cents instead of 49;
37.5 -0.75= 36.75
Now you took away the extra penny between 50 and 49
Answer Link

Otras preguntas

rewrite the interval 11-20 using inequalities
Which pronoun correctly completes the elliptical clause? Is everyone who works at this store as helpful as __________? a. they b. them
during which phase mitosis does the nuclear envelope reform
 Britain encouraged emigration to each of the colonies. What effects did this policy have on these areas? Write a paragraph in which you provide an explanation
What is the name for a painting on wood depicting religious people or events? a. mosaic b. caliph c. icon d. jihad
In Candomblé, orixás are __________.
What were the three major areas of reform in Wilson’s New Freedom?
N=2.5(P-40)-100 If 400 people attend the game for the semifinals how many cans would you expect to be collected?
If y varies directly as x and y = 144 when x = 12, what is the value of y when x = 17?
Why might people want to blame a minority group for most of their country’s problems?