I need help on what a factor is because I Kinda get the idea of it but it’s confusing and I want a good score on this so I need help. Will give brainliest.

Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute.how many minutes does it take for the plane to rise during stage 2?