book Maths Puzzle Numerical Ability

gasoline prices are also afton a topic in the news. gas prices in germany are 1.55 euro to liter. convert this to $ over gallon.

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"A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 15.4 m/s. The cliff is 43.0 m above a flat horizontal beach. 3c+2(c+2)=13-(2c-5)