Posted by **Anonymous** on Tuesday, October 2, 2012 at 7:55pm.

A boy can rake a yard in 2.5 hours, his sister can rake it in 4 hours. How long will it take both of them to rake it?

- Math -
**Ms. Sue**, Tuesday, October 2, 2012 at 7:57pm
Reiny answered this.

http://www.jiskha.com/display.cgi?id=1349221382

- Math -
**bobpursley**, Tuesday, October 2, 2012 at 7:58pm
In 40 hours, he can rake 16 yards, she can rake 10, so both can rake 26 in 40 hours, or rate=25/40 yards/hr. Reduce that fraction to a decimal.

## Answer This Question

## Related Questions

- Math - A boy can rake a yard in 2.5 hours, his sister can rake it in 4 hours. ...
- math - When all the leaves have fallen a girl can rake the entire yard in 4 ...
- Math - Q1.A tree was chopped by the Samuels family for the holidays. How tall ...
- Word Problem - Martha can rake the leaves in her yard in 2 hours. Her brother ...
- algebra - Complete the following word problems. 14.It takes 9 hours for Isabella...
- algebra - amy can rake leaves in her front porch in 2hrs. Her younger sister can...
- Algebra - Can you please help me with these Algebra word problems? Complete the ...
- Math - There are 18 green blocks in a bag. THere are 3 white blocks for every 2 ...
- math - Ryan takes 12 minutes to rake up and bag a pile of leaves. His sister ...
- Math - hailey wants to rake her entire yard. This morning she raked 1/3 of the ...

More Related Questions