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

In Chile, they prefer tea to coffee and instant rather than freshly ________ (41). In Argentina, by contrast, breakfast is with a ___________ (42) cappuccino, a

Do you agree or disagree and why?

Select the correct answer. A soccer team wins 65% of its matches, and 15% of its matches end in a draw. If the team is scheduled to play 20 matches, about how m

Use the graph to determine the function’s DOMAIN and RANGE

Write a cosine function that has an amplitude of 4, a midline of 2 and a period of1

5. A complex sentence is made up of * Two independent clause OTwo dependent clause One independent clause and one dependent clause Two independent clause and on

1 tbsp = Select one: O a. 5 O b. 15 O c. 30 O d. 60 _____mL

write a story to illustrate a saying "you reap what you sow". minimum of 450 words

The Louisiana Purchase increased the size of the United States by. A. 1% B. 10% C. 100%

What is the change in the internal energy of a system that does 600 joules of work and absorbs 800 joules of heat? A. -200 J B. -1,400 J C. 1,400 J D. 200 J