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Question
primary 6 | Maths
| Speed
2 Answers Below
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Left = 221 - 81 = 140km.
When Laura and Mandy meet, total distance traveled by both = 140km
Total speed by both = 81+94 = 175
Time taken = 140÷175 = 0.8 he
Laura travel in 0.8 hr
Distance = 81×0.8 = 64.8km
Total distance travel by Laura when meet Mandy = 81 + 64.8 = 145.8km.
See 2 Answers
- ratio method
- model method