Thingamajigs

For Alan’s birthday he has received these mystery items called thingamajigs. Every thingamajig weighs 16 kilograms plus 1/5th of a thingamajig. How much do one and a half thingamajigs weigh?

Scroll down for a clue and further down for the answer.

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Clue: If t= the weight of one thingamajig, then t = 16 +(1/5)t.

Scroll down for the answer.

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Answer: One and a half thingamajigs weigh 30 kilograms.

If t = the weight of one thingamajig, then t = 16 +(1/5)t.

This means 4/5t = 16.

Therefore, t = 20 kilograms.

The question asked for the weight of one and a half thingamajigs, which is 30 kilograms.

* This article was originally published here