In the USA, petrol cost 3.15 dollars per Us galla . I Us Gallon= 3.19 litres
£1 = $1.51
which country has the cheaper petrol?
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Which statements are true? see picture

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?