Brody R.

asked • 10/12/18# You have 330 boxes each requiring a key. 15 keys can be bought for 300 gems a day. If your total boxes increase by 5 a day, how many gems will have to be spent, and how many days will have passed?

It's nothing serious. Just a question I came up with for a game I'm playing. I'm always getting these boxes in it, and I want to know how many gems would have to be spent for every box I have and will get, and how long it would take to open them all.

## 1 Expert Answer

Patrick B. answered • 06/02/19

Math and computer tutor/teacher

But 15 are opened daily, so the number of unopened boxes decreases by 10 every day.

330 - 10n = 0

330 = 10n

n = 33

33 days, 9900 gems

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Mark M.

10/12/18