23-03-2018
Mathematics

contestada

The equation 7.50(n+0.2)=189 can be used to model the number of books, n , maggie orders. How many books does maggie order?

Respuesta :

23-03-2018

n= number of books

7.50(n + 0.2)=189
multiply 7.50 by each term in parentheses

(7.50*n) + (7.50*0.2)= 189
7.50n + 1.5= 189
subtract both sides by 1.5
7.50n= 187.50
divide both sides by 7.50
n= 25

ANSWER: She ordered 25 books.

Hope this helps! :)

Answer Link

Otras preguntas

Why were the first telephones difficult to use? high powered low powered too expensive too complicated

Which part of the Declaration of Independence acts as an implied plan of action, in that it lists laws and practices to be changed?

The record low temperature for a city is 124 degree less than the high temperature. The sum of the high and low temperature is 72 degrees. What is the record lo

If a litre of water is provided for 20 people, how much for 50 people?

Four friends play a game. Their final point counts are recorded in a table. Player Point Count Carl 11 Kenny 1 Nelia –9 Sami 0 Choose all answers that are

Select two of the offices underneath the jurisdiction of the executive office. National House of Senatorial Privilege National Security Council Office of Policy

How are most stocks bought and sold? Mostly, individuals sell their stocks directly to other individuals. Most stocks are sold directly to investors by the issu

There were 10 fish in a bowl 3 drownded and 4 died how many fish were left

Which of the following types of economies is most likely to develop new and better products? market command traditional none of the above

Which is a symbol of deindustrialization? Energy crisis Love Canal Manufacturing Belt Rust Belt Stagflation