Mathematics, 17.05.2021 14:20, vanessacasillas452

A road has a gradient of 1/15 for 90 m. Then there is a horizontal section 130 m long. The final section has a gradient of 1/25 for 200 m.
a Find the total height gained from start to finish.
b What is the average gradient from start to finish?

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A road has a gradient of 1/15 for 90 m. Then there is a horizontal section 130 m long. The final se...