rmehellIsabelle rmehellIsabelle

24-11-2016
Mathematics

contestada

The ratio of the sale price of a textbook to the original price is 1:3. The original price is $81. What is the sale price. Create a proportion to find out.

Respuesta :

alsteva alsteva

27-11-2016

x - sale price
y - original price

[tex]x:y=1:3 \\x:81=1:3 \\3x=81\times 1 \\ \\x= \frac{81}{3} \\ \\x=27[/tex]

Answer Link

Otras preguntas

Help me and this question please please

Philip zimbardo devised a simulated prison and randomly assigned college students to serve as prisoners or guards. This experiment best illustrated the impact o

Who resisted the Marshall Plan?

What are some effects of multinational businesses?

Some help on the first problem please?

What causes the thickness of the crust to vary?

What does zora find fascinating about the two visitors

What four European countries set up colonies in the Americas from 1400 to 1600

three times a number is subtracted from another number and the difference is 3. The sum of the two numbers is 31. What is the smaller of the two numbers

HELP ASAP!! GIVING BRAINLIEST TO CORRECT ANSWER!! Bankruptcy can impact your entire life, from your credit rating to your ability to get a job or even your abil