# Task No. 7.2

## Condition:

Artist Ivan Konstantinovich decided to sell several of his paintings at the Broken Auction. The rules of the Broken Auction are as follows: first, Ivan Konstantinovich names a certain starting price for his painting, after which the participants who want to buy this painting begin to bid on it - increasing the price, but only by a factor of two, - that is, the new price can only be twice the last one offered; the participant after whom no one dares to raise the price by another factor of two gets the painting; if no one bids on the painting, that is, no one offers a price higher than the initial one, the painting remains unsold. For each of his paintings, Ivan Konstantinovich decided to set the starting price at 1000 rubles. How many paintings did he sell at the Broken Auction if all his paintings were bought for different prices, and his total revenue from all the sold paintings amounted to 300000 rubles?
Answer: 4

Exact match of the answer - 1 point

Solution by analogy with task №7.1

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