book Maths Puzzle Numerical Ability

The power p (in watts) generated by a windmill that has efficiency E is given by the formula P=0.31ED^2V^3, where D is the diameter (in feet) of the windmill blades and V is the wi

Read Solution (Total 0)

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 line in the Cartesian plane passes through the points (-2, 4) and (2,-1). What are the rise and the run of the line?