book Maths Puzzle Numerical Ability

The square root of 2x +3 =11

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book Other Question

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 computer and its monitor weigh a total of 48 pounds. If the monitor weighs twice as much as the computer, how much does each piece of hardware weigh?