Two white socks cost 25 cents more than a single brown sock. If two white socks cost 45 cents, how much would you pay for 15 brown socks?
Let's think step by step below.
3
Two white socks cost 25 cents more than a single brown sock, meaning a brown sock is sold at $0.

45 - $0.

25 = $0.

20.

The cost of buying 15 brown socks is 15 * $0.

20 = $3.

.

Final answer: 3