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Mathematics, 31.01.2021 19:00 mikehager4321

At the start of the road, a lamp post, a dust bin and a bench are placed together. Lamp post, dust bins and benches are placed at intervals of 70 m, 56 m and 84 m respectively along a stretch of road 8 km
long. Whenever the three objects are placed together, they will be painted blue.
(a) How far away from the start of the road is the second set of the 3 blue objects?
(b) How many lamp posts are there between every 2 sets of blue objects?
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