Posted by **Sherkyra8645** on Monday, December 13, 2010 at 8:12pm.

1). In 1968, vehicle emision standards allowed 6.3 hydrocarbons released per mile driven. By 1980, the standards allowed only 0.41 hydrocarbons per mile driven. What was the rate of change from 1968 to 1980?

- Math -
**Ms. Sue**, Monday, December 13, 2010 at 8:15pm
(6.3 - 0.41) / 6.3 =

Convert the decimal answer to a percent.

- Math -
**Sherkyra8645**, Monday, December 13, 2010 at 8:24pm
Thank you! Would it be...

0.93?

- Math -
**Ms. Sue**, Monday, December 13, 2010 at 8:26pm
Yes -- if you change the decimal to a percent.

0.93 = 93% decrease

## Answer This Question

## Related Questions

- math - in 1968, vehicle emmision standards allowed 6.3 hydrocarbons released per...
- Algeba - Math - A truck rental company offers two plans. One rental plan is $78 ...
- Computer programming - I am trying to write a program in C that would be used ...
- Algebra - The XYZ Car Rental Agency charges a flat rate of $29 per day plus $.32...
- Math - The weekly rental cost of a 20 foor recreational vehicle is $129.50 plus...
- Math - The rental rate at rent a wreck is 30$per day plus $0.25 per mile driven
- Algebra I - Ben's truck rental will rent a moving truck for $12 per day plus $0....
- math - Car rental agency A charges $50 per day plus 10 cents per mile driven. ...
- math - Car rental agency A charges $50 per day plus 10 cents per mile driven. ...
- math - Kevin will rent a car for the weekend. He can choose one of two plans. ...

More Related Questions