Billye ran to town at 8 kilometers per hour and then walked back home at 3 kilometers per hour. How far was it to town if the round trip took 11 hours?
Stacey Warren - Expert brainly.com
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sorry computer slow. many windows open, jumped to another screen while loaded. -_-
ok. give sec
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8km/h to town
3km/h to home
distance = ?
time = 11h
distance = rate*time
Let D = the distance to town
D/(8km/h) + D/(3km/h) = time
(3km/h)* D + (8km/h) *D = time *(8 * 3)
11 km/h * D = 24km/h * 11hr
D = 24 km to the town
time = distance/rate
24km/(8km/h) + 24km/(3km/h) = 3h + 8h = 11h
how does that seem?
ok. have to go for now. have to get home before the thunderstorm rolls in fully. :)
good luck with your problems.