A scientist uses a submarine to study ocean life. • She begins 175 feet below sea level. • After descending for 6 seconds, she's 225 feet below sea level. Find the rate of change in the submarine's elevation in feet per second. Round your answer to the nearest tenth.

Move the decimal behind it

The answer is 270 cars.you can do this by making a proportional relationship. for instance, 200 is the whole we are using, so on a “number line” 200 would be over 100%. now, since he sells 35% more, add 35% to 100% to get 135% on the other side of the “number line” on the bottom half, leaving the top half empty.cross multiply 200 by 135 then divide by 100 to get your answer. i hope this , if it did, , if you don’t mind, giving me brainiest! 200/100% } 200 • 135 /100 ? /135%