Challenge #1

Idea #150: Fruits

DISCLAIMER: You can engage you kid in part of the calculations involved in this challenge. This will teach him about exotic fruits and will give him an understanding about which fruits and veggies, money math and such. The only risk here is getting your your kid addicted to expensive fruits.

I will post my own findings on this challenge in: October 29, 2022.

The Fruits Challenge

[Updated in 08/09/2022 04:00 GMT-3]

This will be a different type of content we are posting here on the Vault of Ideas!

Previously, we have discussed Idea #150, that was about making a fruit salad that reduced the price per bowl. There is going to be a challenge about it

The challenge is to find the best mix of fruits to put on a bowl to get the cheapest fruit salad possible. 

I invite our dear visitors to brave with me this exercise; to find, with some ground rules laid out, the best mix of fruits for a fruit salad, in the most scientific way possible. Ultimately, we will compare prices per bowl of fruit salad. Of course, a direct comparison won't be possible because part of the work is raising out, any way you can, the prices of the fruits; this depends on where you are. But this can lead to an interesting comparison of prices of fruit salad, and fruits in general, among countries.

It is a well known fact that fruit prices shift from time to time, we say here in Brazil that fruits "come to season", meaning that sometimes there is plenty of them on the market so prices go down. Fruits actually are very complex products if you come to think about it. Sometimes a fruit is available throughout the year, sometimes only in certain months. Cherry for us is an example of this, because being a tropical country, we only get imported cherries around Christmas. To make matter worse, they spoil very quickly, and it is not unusual for it to be a lot of waste in this trade.

[An off-remark, in Colombia it is very common for you to get amazing fruit salad everywhere you go on market streets. This isn't a thing in Brazil, but I suspect that the person that brings this here would make tons of cash. Just as the first person who got those Mexican popsicles did. There is money to be made in making good regional products worldwide available, and this has been done since ancient markets.]

The ground rules for the challenge are:

If you want to go professional, these are some optional studies:

Get the spreadsheets going  Note that you will need to estimate things such as weight of fruits. Best guesses and rough calculations are fair game, as long as you keep track of them somehow.

Who knows, you might get your kid selling perfect fruit salad instead of lemon juice!

After two months, I will post here my own results on the issue [after an honest attempt to round up to a fair number], so we can discuss it. But by all means, if you have conducted your own studies, share them on comments at any time.

* Provided I test that the comment service, DISQUS, accepts images.

Additional Information

Understanding the dynamics of this problem actually helps to deal with similar problems where you make a set or mix of products, of different manufacturing prices, and this is actually a problem worth solving. Who cares about fruits, anyway, lol.  

Challenge Findings

Check out this Challenge Findings, here

BANNER IMAGE CREDITS: ESA/Hubble & NASA, A. Filippenko, R. Jansen 

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