# math

posted by .

a music store sells 28 mp3 players and 39 red mp3 players. each mp3 player costs \$67. what is a reasonable estimate for the total cost of the mp3 players?

• math -

(30+40)(70) = 4900

as all three numbers were rounded up ,it will be a bit high.

## Similar Questions

1. ### algebra

We did not find results for: suppose a company manufactures MP3 players and sell them to retailers for \$98 each. it has a fixed cost of \$262,500 related to the production of the MP3 players and the cost per unit is \$23 what is the …
2. ### algebra

A consumer electronics company sells 6.7 million MP3 players per month at a price of \$100 apiece; when the price is lowered to \$80, the company sells 10.2 million players per month. How many MP3 players can the company expect to sell …
3. ### pre-algebra

You are researching the price of MP3 players. You found an average price of \$58.80. One MP3 player cost \$56 and another cost \$62. Find the price of the third MP3 player.
4. ### math

A department store purchases an mp3 player for \$50. To sell the mp3 player to customers, the price is marked up by 15%. You hand the clerk \$70. How much change will you get back?
5. ### algebra

Solve by using a system of equations. The number x of MP3 players a manufacturer is willing to sell is given by x = 20p − 1500, where p is the price, in dollars, per MP3 player. The number x of MP3 players a store is willing …
6. ### Math Algebra

TechWiz Electronics makes a profit of \$35 for each MP3 player sold and \$18 for each DVD player sold. Last week, TechWiz sold a combined total of 130 MP3 and DVD players. Let x be the number of MP3 players TechWiz sold last week. Write …
7. ### multiple choice economics

Advances in technology have reduced the cost of manufacturing MP3 players. If demand does not change, A. more MP3 players will be sold at a higher price. B. fewer MP3 players will be sold at a higher price. C. more MP3 players will …
8. ### Math Homework questions. (check plz)

Can someone check these? 11. The sales tax rate is 7.4%?
9. ### Math

A retail store purchases mp3 players for \$33 and then sells the same mp3 players for \$54.What is the percent of increase?
10. ### Math

In 2000, the population at Arlington middle school was approximately 421 students. In 2010, the population was approximately 584 students. Find the percent of change in the population at Arlington middle school from 2000 to 2010 and …

More Similar Questions