exam Maths Puzzle Numerical Ability

An art dealer sold two artworks for $1520 therby making a profit of 25% on the first work and 10% profit on the other, whereas if he approached any exhibition he would have sold th

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Alice sells lamps at craft fairs. she uses the function F(x)=25x-250 to project her profit for selling x lamps. How would I graph this function and identify the slope and y-intercept. the speed of an airplane in still air is 286 km/h it travels 883 km against the wind and 1119 km with the wind in total time is 13 hr.