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

PLEASE HELP ASAP (a) What is considered Greek drama? (b) What were the actors called in Greek theater? (c) Explain where the name for actors ori
In recent years, a steady trend has developed toward ____________ compensation
Part 1: Add: 3 3/8 + 7 3/4 Part 2: Subtract: 12 3/8 - 8 1/5
Hormones such as calcitonin, parathyroid hormone, and the pituitary hormones are protein-based and water-soluble. how does a hormone that cannot penetrate the l
A document can contain either footnotes or endnotes but not both. True False
Who is big brother in 1984
What is the definition for sculptor
Before ________ was discovered in Texas, life in Texas mostly centered around farming and ranching. A) oil B) cattle C) limestone D) barbed wire
How did the election of 1896 demonstrate tensions between farmers and the wealthy?
What is the result of dividing 2x^3-3x^2-17x+30 by x+3