exam Maths Puzzle Numerical Ability

My mom says that dad likes his slope to be (50/1). I want to know what they are talking about...? My dad is a math guru, kinda. Also, he said on off days he has his slope (1/50). Now, he wants me to find the best slope for a medium day. Can you help?

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exam Other Question

find the constant variation of 7y=2x The equation h= -16t^2+112t gives the height of an arrow, shot upward from the ground with an initial velocity of 112 ft/s, where t is the time after the arrow leaves the ground. Find the time it takes for the arrow to
reach a height of 180 ft.