Tuesday

January 27, 2015

January 27, 2015

Posted by **Molly** on Tuesday, June 19, 2012 at 3:13pm.

- algebra -
**Henry**, Wednesday, June 20, 2012 at 2:57pmX mi/h = Molly's speed.

(X-12)mi/h = Bus's speed.

Mary's distance and the bus's are equal:

d1 = d2

0.5*x = 0.75(x-12)

Multiply both sides by 4:

2x = 3x - 36

2x - 3x = -36

-x = 36

X = 36 mi/h.

d = V*t = 36 * 0.5 = 18 Mi.

**Answer this Question**

**Related Questions**

Algebra-HELP!!!! - When Amy drives her car to work, the trip takes 1/2 hour. ...

algebra - When Amy drives her car to work, the trip takes 1/2 hour. When she ...

algebra - laurie can bike to work in 3/4 hour.when she takes the bus, the trip ...

Algebra! Help needed! - I'm having a little trouble with this problem... Please ...

Algebra - I'm having a little trouble with this problem... Please try and walk ...

Science - a bus trip covers 191 km and takes 4 hours and 15 miniutes. What is ...

science - The bus driver's manager wants to know the average speed at which the ...

science - The bus driver's manager wants to know the average speed at which the ...

Math - When Sarah takes the bus to work, the trip takes 30 minutes. When she ...

Math - When Sarah takes the bus to work, the trip takes 30 minutes. When she ...