suppose you currently own a clothes dryer that costs $20/month to operate. A new efficient dryer cost $510 and has an estimated operating cost of $10/month. How long will it take the new dryer to pay for itself? Answer in months

Respuesta :

Answer: 10 months

Here's how you do it: you divide 510 by 10 (510 divided by 10) and it would be 10.

The new efficient dryer would take 51 months to pay for itself.

The new efficient dryer costs about $10 per month to maintain. This means that on a monthly basis, it saves you:

= Operating cost of old dryer - New operating cost

= 20 - 10

= $10

The dryer cost $510 so if you are saving $10 per month, the new dryer will pay for itself when you have saved $510 in total.

This would happen at:

= Amount to be saved / Amount saved per month

= 510 / 10

= 51 months

It would take 51 months to pay for itself.

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