book Maths Puzzle Numerical Ability

3-6(x+3)=33

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Bob sold hammers and wrenches at a flea market. He sold 4 times as many hammers as wrenches. The total sales equaled $609.00. If the hammers sold for $3.00 apiece and the wrenches for $2.50 each how many hammers and wrenches did he sell? A survey of 2,000 people showed 1,620 favored the construction of a new fire station. What percent of the people surveyed did not favor the construction of the fire station?