Slope: Rollercoasters

Three roller coasters
Coaster 1 is 225 feet high and 75 feet across[br]Coaster 2 is 300 feet high and 300 feet across[br]Coaster 3 is 100 feet high and 250 feet across
Which coaster is [b]steepest[/b]?
[b]Why[/b] is it steepest? Explain in detail using complete sentences.
Of the three coasters, which is [b]least steep[/b]?
[b]Why[/b] is this least steep? Explain in detail using complete sentences.

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