Dahlai walks from home to school at 2km/h. After school she jogs back home at 6km/h and saves 15 mins. How far away is her house from school? I don't even know how to approach this, all help is appreciated.

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- Dec 13th 2012, 07:09 AMxXplosionZzHelp with a distance problem
Dahlai walks from home to school at 2km/h. After school she jogs back home at 6km/h and saves 15 mins. How far away is her house from school? I don't even know how to approach this, all help is appreciated.

- Dec 13th 2012, 07:15 AMBeanRe: Help with a distance problem
Remember that distance equals rate*time. She is traveling the same distance going to school as coming home.

Can you take it from there? - Dec 13th 2012, 09:52 AMSorobanRe: Help with a distance problem
Hello, xXplosionZz!

Recall the formula: .

Quote:

Dahlai walks from home to school at 2km/hr.

After school she jogs back home at 6km/hr and saves 15 mins.

How far away is her house from school?

She walks km at 2 km/hr.

. . This takes hours.

She jogs km at 6 km/hr.

. . This takes hours.

Her jogging time is hour less than her walking time.

. . The equation is: .

Got it?

- Dec 13th 2012, 06:35 PMxXplosionZzRe: Help with a distance problem
Sorta got it, thanks. Do you have any other questions like this to practise?