Thursday

November 27, 2014

November 27, 2014

Posted by **Lisana** on Sunday, October 9, 2011 at 6:15pm.

- Math -
**Steve**, Monday, October 10, 2011 at 5:46amShe bikes at speed b, so d/b = 3/10

She jogs at speed j, so d/j = 4/5

But, b=j+10 so,

d/(j+10) = 3/10

d/j = 4/5

d = 3/10 (j+10) = 4j/5 = 8j/10

3(j+10) = 8j

30 = 5j

j=6

b=16

d=24/5 mi

**Answer this Question**

**Related Questions**

Math - Jessica can jog to work in of an hour. When she rides her bike, it takes ...

algebra - Nicole can jog to work in of an hour. When she rides her bike, it ...

math - Ashley can ride her bike to work in 2/3 of an hour. When she drives to ...

math - Samantha can ride her bike to work in 2/3 of an hour. When she drives to ...

Math - Ashley can ride her bike to work in 2/3 of an hour. When she drives to ...

Math - Jan and Nika ride their bikes. Jan rides 5 miles per hour for 1 hour then...

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

algebra - From a point on a straight road, John and Fred ride bicycles in ...

math - Ms. Kolawaski rides her exercise bike at an average speed of 12 miles per...

Math - Rick rides 11 1/8 miles in an hour with his bike in second gear going ...