A submarine is dividing to a total depth of 45 feet.It descends 15% of the total depth in 1 minute. How deep will the submarine be after 4 minutes?

Respuesta :

15% of the total depth = 0.15 x 45 feet = 6.75 feet per minute

Therefore, after 4 minutes the sbmarine will be (4 x 6.75 feet) = 27 feet.