human
Daphney buys 5 kg of potatoes at the supermarket. If 2 kg of potatoes costs $6, how much will she pay?
assistant
How much does each kg of potatoes cost? ** The price per kilogram of potatoes is $6 / 2 = $<<6/2=3>>3.
How much will Daphney pay? ** To buy 5 kg of potatoes, she will have to pay 5 * $3 = $<<5*3=15>>15.
#### 15