Sunday

February 1, 2015

February 1, 2015

Posted by **Bob J** on Wednesday, January 2, 2013 at 10:04pm.

- A positive number is increased by 20%. This new number is now decreased by 20%. To obtain this final result the original positive number could be___.

a) left alone b) increased by 4% c) increased by 2% d) decreased by 4%

e) decreased by 2%

- algebra -
**Henry**, Friday, January 4, 2013 at 1:25pmDan to Carol:

C + 0.25C = $180.

1.25C = 180

C = $144. = Dan's cost.

Alan to Dan:

C + 0.2C = $144.

1.2C = 144

C = $120. = Alan's cost.

(N+0.2N)-0.2(N+0.2N) =

N+0.2N-0.2N-0.04N = 0.96N.

0.96N/N = 0.96 = 96%.

96% - 100% = -4% = 4% Decrease.

**Answer this Question**

**Related Questions**

finitemath.application. help me plz! - In 2004 median earnings including ...

math - Dan receives $375 per week for selling new and used cars at a car ...

math - tom sells 15% of 180 acres to dan for 1,100 an acre .the motrgage finace ...

spanish - "Mamá, quiero saber qué me dan tú y papá." "Yo,____ unos aretes de Mé...

MATH - DAN,DEBBIE,ED AND GENE WERE TRAINING FOR CROSS-COUNTRY RACING. ED RAN ...

Scenario Question? - Dan is an employee at a regional mid-size computer company ...

math - Terry, Dan and heidi have a total of $850. Dan has $120 more than Terry ...

math - Jose, Paul,and Dan went fishing. It was a good day, and all three of them...

psychology 11 - Dan and maureen are married and have 2 children, ages 7 and 12. ...

Algebra - A shop sells coffee and donuts. The coffee sells for $4.31 and donuts ...