SOLUTION: A vacuum pump removes 1/7 of the air from a jar on each stroke of its piston. What percent of the air remains after four strokes of the piston?

SOLUTION: A vacuum pump removes 1/7 of the air from a jar on each stroke of its piston. What percent of the air remains after four strokes of the piston?

Algebra.Com

Question 460040: A vacuum pump removes 1/7 of the air from a jar on each stroke of its piston. What percent of the air remains after four strokes of the piston?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
1/7x4=4/7 percent of air removed
7/7-4/7=3/7 percent air remaining..
RELATED QUESTIONS
A pump is attached to a container for the purpose of creating a vacuum. For each stroke... (answered by Alan3354)

each stroke of a vacuum pump removes one third of the air ramianing in a container. wut... (answered by checkley75)

With each stroke, a pump removes 1/4 of the air in a container. After 5 strokes, what is... (answered by jorel1380)

With each stroke, a pump removes {{{1/6}}} of the air in a container. After 6 strokes,... (answered by ikleyn,MathLover1,math_tutor2020)

With each stroke, a pump removes 2/5 of the air in a container. After 3 strokes what is... (answered by ikleyn)

each strokes of a vacuum pump extracts 5% of the air remaining in the container.what... (answered by stanbon)

30% of air ia lost with each stroke of the piston, their are 32 liters of air how many... (answered by Alan3354)

1. A father is 34 years old and his son is 12 years old. In how many years will the... (answered by lwsshak3,ikleyn)

A brake master cylinder having a base of 1.5 inches and a stroke of 4 inches displaces___ (answered by Boreal)