Economy, asked by shahidanowar596, 6 months ago

are blackboards cheaper than whiteboards

Answers

Answered by lakhwinderduggal786

Explanation:

Advantages and disadvantages

As compared to whiteboards, blackboards still have a variety of advantages: Chalk requires no special care; whiteboard markers must be capped or else they will dry out. Chalk is an order of magnitude cheaper than whiteboard markers for a comparable amount of writing.

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