There were 35 yellow and white dandelions growing on the lawn. After eight white dandelions flew away, and two yellow ones turned white, the number of yellow dandelions became twice the number of white ones. How many white and how many yellow dandelions were there on the lawn at first?

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How many dandelions are left on the lawn after eight white ones have flown away?

## Solution

In the end, there are 27 dandelions left on the lawn - 18 yellow and 9 white. This means that at the beginning, there were $18+2=$ 20 yellow and $9+8-2=15$ white dandelions on the lawn.

## Answer

20 yellow and 15 white dandelions.