Linda and Colleen both leave the library at the same time, but in opposite direction. If Colleen travels 8mph faster than Linda
and after 8 hours they are 176 miles apart, how fast is each traveling?
1 answer:
X - Linda's speed
(x+8 )- Colleen's speed
8x - Linda's distance for 8 h
8(x+8) = 8x+64 - Colleen's distance for 8 h
8x + 8x + 64 = 176 - distance between Colleen and Linda after 8 h
8x + 8x + 64 = 176
16x +64 = 176
16x = 176 - 64
16x = 112
x= 7 mph Linda's speed
x+8 = 7+8 = 15 mph Colleen's speed
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