There is one pond in which one lotus gets doubled everyday. In 20 days pond is half filled. so how many days it will take to get full completely?


the answer is 21??

yes. Double of half-full is full.

  1. 👍 0
  2. 👎 0
  3. 👁 156

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    The area covered by water lilies in a pond you own doubles in size every day. If allowed to grow the plants would cover the entire pond surface in 30 days. You had decided to do nothing until the pond is ½ covered. a. On what day

    asked by sasha on November 12, 2013
  2. Math

    Suppose that the amount of algae is a pond doubles every 3 hours. If the pond initially contains 70 pounds of algae, how much algae will be in the pond after 9 hours? Is the answer 560? I was not sure how to set it up, but doubled

    asked by Jane on March 6, 2012
  3. math

    Suppose the amount of algae in pond triples every day. After 12 days the pond is complete with algae. I believe that on day 4 the pond is 1/3 of the way full. Am i correct?

    asked by belem on February 8, 2017
  4. Math

    In the middle pond is a patch of moss. The moss doubles in size every day. After exactly 20 days the complete pond will be covered by moss. After how many days will half of the pond be covered by the moss ?

    asked by Susy on December 3, 2014
  5. Environmental Engineering

    The two ponds in the figure below can be modeled as completely-stirred tank reactors (CSTRs) in series. The first-order decay rates for each pond are different but the inflow and outflow rates and volumes for the two ponds are the

    asked by Christine on August 26, 2013
  6. Math

    It takes pipe A 14 days to fill the fish pond. It takes pipe B 18 days to fill the same pond. Find out how pond it takes both pipes working together to fill the pond

    asked by Erika on May 20, 2013
  7. MATH

    8. You are building a habitat for your pet turtles that has a rectangular pond. The pond is 20 in. wide, 15 in. long, and 3 in. deep. What is the volume of the pond?

    asked by PERSON NEED HELP on May 8, 2018
  8. math

    A rectangular fish pond is 21ft(squared) in area. If the owner can surround the pond with a 20 foot fence, what are the dimensions of the pond?

    asked by allison on February 19, 2014
  9. MATH

    A biologist is recording the loss of fish in a pond. She notes the number of fish, f, in the pond on June 1. On July 1 there were 63 fish in the pond, which is 52 fewer fish that were in the pond on June 1. Which equation

    asked by AMY on November 6, 2014
  10. Math

    3 pumps were used to empty a pond hold an unknown amount of water. If pump 1 can empty it in 4 days, pump 2 in 10 days and #3 in 5 days, how many days will it take to empty the pond if all 3 are running at the same time?

    asked by Emily on March 8, 2015

More Similar Questions