In the spring of 2008,petrol cost 1.179 per liter in london. on the same day, the exchange rate was$1= 0.504 . what was the price of London petrol in dollars ($)per gallon (1 gal= 3.7854L)

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).

the answer is c

tell me if wrong