how did he found out that 90 was a 30% mark up of 300??????

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- December 19th 2012, 11:46 AMasilvester635word problem question
how did he found out that 90 was a 30% mark up of 300??????

- December 19th 2012, 01:54 PMskeeterRe: word problem question
let P = price paid for the phone

1.3P = 390

P = 300

let S = selling price

S = 0.8P = 0.8(300) = 240 - December 19th 2012, 01:59 PMasilvester635Re: word problem question
how did you get 1.3?

- December 19th 2012, 02:04 PMskeeterRe: word problem question
- December 25th 2012, 09:53 PMibduttRe: word problem question
Let the original price = $100, 30% high means marked price = $130

When marked price = $130 original price = $100

When marked price = $1 original price = $100/130

When marked price = $390 original price = $(100/130) x 390 = $300

Now he has to sell it for 20% less. 20% of 300 = 20 x 300 x 1/100 = $60

So he will get $240 for cellphone - December 12th 2014, 10:24 AMjonesmyrtisRe: word problem question
5) Gene is selling his palomino at an auction. The auctioneer’s commission is 10% of the selling price. If Gene still owes $820 on the horse, then what must the horse sell for so that Gene can pay off his loan?

- December 12th 2014, 10:26 AMjonesmyrtisRe: word problem question
1) Bret drove for 4 hours on the freeway the decreased his speed by 20 miles per hour and drove for 5 more hours on a country road. If his total trip was 485 miles, then what was his speed on the freeway?

2) Payrolls for the three highest paid baseball teams (Yankees, Mets Braves) for 2003 totaled $376 million (USA TODAY: Latest World and US News - USATODAY.com). If the team payroll for the Yankees was $36 million greater than the payroll for the Mets and the payroll for the Mets was $11 million greater than the payroll for the Braves, then what was the 2003 payroll for each team?

6) If 60% of the registered voters of Lancaster County voted in the November election and 33,420 votes were cast, then how many registered voter are there in Lancaster County?

7) If 28 new AIDS cases were reported in Landon County this year and 35 new cases were reported last year, then what percent decrease in new cases is this? - December 12th 2014, 10:36 AMJeffMRe: word problem question
Couple of points.

One problem per thread.

Don't tack on to someone else's thread. There is a nice little button saying "Post New Thread" on the left of the forum page toward the top.

Most important. In 99% of cases, we provide help, not answers. Show us what you have done or tell us what you have thought about doing, and we shall help you to get the answer.