brcurtis brcurtis
  • 02-03-2018
  • Mathematics
contestada

A CD which usually sells for $15.78 has a 15% discount. Estimate the amount of the discount.

Respuesta :

jdoe0001 jdoe0001
  • 02-03-2018
if we take 15.78 to be the 100%, what is the 15%?

[tex]\bf \begin{array}{ccll} amount&\%\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 15.78&100\\ a&15 \end{array}\implies \cfrac{15.78}{a}=\cfrac{100}{15}\implies \cfrac{15.78\cdot 15}{100}=a[/tex]
Answer Link
clarissahaney94
clarissahaney94 clarissahaney94
  • 30-08-2018

You need to round 15.78 to get 16. You then multiply 16 to 15 and divide by 100 to get your answer :

2.4

Which would also be $2.40

Answer Link

Otras preguntas

Butler Corporation has a balance of $165 million in retained earnings at the beginning of the fiscal year. At the end of the fiscal year the balance in retained
someone please help meeee
Which of the following is true regarding Moore’s Law? A.) explained the growth in computing capabilities between 1965 and 1995 B.)states that processing power d
2019kL is the same as__dL?
4. Use the idiom in a sentence​
20 points!!! please help
Explain the relationship between cells, chromosomes, genes and DNA
The price of a commodity has fell down by 15% so that priya can buy 3 more commodities for Rs 1700. What was the original price of the commodity. ​
The best way to revise sentence 1 is to
Christina is playing a board game. Her score was -275 at the start of her turn, and at the end of her turn her score was -640. What was the change in Christina