Friday

March 27, 2015

March 27, 2015

Posted by **Ciara** on Wednesday, June 13, 2012 at 2:58pm.

- Math -
**Ms. Sue**, Wednesday, June 13, 2012 at 3:06pmLet x = the mph for the first three hours.

540 = 3x + 6(x + 30)

540 = 9x + 180

360 = 9x

40 = x

**Answer this Question**

**Related Questions**

Math - Harry drove for 6 hours on the freeway, then decreased his speed by 20 ...

7th Grade Math - Carlos and maria drove a total of 258 miles in 5 hours. carlos ...

math - Lauren drove her car for 3 hours in a dust storm. When the skies cleared...

math - Hannah took a trip yo visit her cousin. She drove 120 miles to reach her ...

math - andys average driving speed for a 4-hour trip was 45 miles per hour. ...

math - harry drove for 4 hours on the freeway , he decreased his speed by 20 mph...

algebra - diana drove 320 miles, then increased her speed by 10 miles per hour ...

algebra 1 - A man drove 48 more miles an hour than the number of hours he drove...

math - Drove an average of 55mi/h on her trip to the mountains. You can use the ...

8th grade math - Carlos and maria drove a total of 258 miles in 5 hours. Carlos ...