Mathematics, 17.10.2020 14:01 23s40

In Bolandia, the streets are constructed from 10-metre pieces. A lamppost must be placed at both ends of every completed street and at points every 10 metres along its length. Additional lampposts must also be placed at every notice board along the road. Einstein Street, in Bolandia, has 7 notice boards, and 42 lampposts were needed altogether. How long is Einstein Street

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In Bolandia, the streets are constructed from 10-metre pieces. A lamppost must be placed at both end...