Ten people who do this sum at work

The two lines you just used to hit a target are the same ones these people use at work. Tap a job to read its problem.

• FirefighterHow far from the engine does the water land?speed → distance
• Shot-put coachHow far does the heavy shot land?mass → distance
• Irrigation engineerHow wide is the circle it waters, across?speed → distance
• Fountain designerDo the two angles land in different places?find the angle
• Water rescue crewWhat angle do they need?find the angle
• Rocket engineerHow far does the loaded one land?mass → distance
• Tennis coachWhat angle should the machine be set to?find the angle
• Farmer with a spreaderHow wide is the band it now covers?mass → distance
• Fireworks makerHow high is the top of the climb?speed → distance
• Conveyor operatorHow far out from under the belt does the pile build up?a flat throw

Nothing here is marked. Work it out, then look and see whether it matches — which is how you check your own sum for the rest of your life.