meliyahcastillo meliyahcastillo
  • 18-03-2020
  • Mathematics
contestada

After a 20% discount at the book store, a recipe book sells for $10. What was the original price of the book?

Respuesta :

dearingemily dearingemily
  • 18-03-2020

Answer:it should be $12.50 before 20% taken off...

Step-by-step explanation:

$12.50-20%($2.50)=$10.00

Answer Link
doridafishy
doridafishy doridafishy
  • 08-12-2020

Answer:

$12.50

Step-by-step explanation:

Equation: original(1-x%)=new

original(1-20%)=10

We can make the original price x since that is what we are trying to find.

x(1-20%)=10

x-20%x=10

20%=1/5

4/5x=10

multiple by 5/4 to leave x alone

x=5/4*10

x=12.5

So the original price was $12.50

Answer Link

Otras preguntas

Add. 0.08 + (–3.4) a. –3.48 b. –3.32 c. 3.32 d. 3.48 B is my guess
Persuasive speeches have a ____ obligation to the audience a. Ethical b. Social c. Political d. Personal
Which of the following is an objective of ethics training? to develop employee awareness about ethics to push ethics training throughout the entire organization
What is art? Who decides what is or isn't art?
Which is produced by the dehydration of primary alcohols? A) an acid B) a ketone C) an ether D) an ester
advantages of seed plants over seedless plants
Smoking reduces a person's life span by an average of __________. a. 1 to 2 years b. 4 to 5 years c. 10 to 11 years d. 13 to 14 years
Having leaks in several places. is a sentence or fragment
ZOOLOGIST. Do you know this? It's a multiple choice question i'm not too sure about??? HELP. :)? What is the primary limiting factor that determines why no fema
1+4=5 2+5=12 3+6= 21 8+11= ?