ok plz help me !!?

Question

i have 60 math probs. to do i tryed all of them but the ones below are the ones i had a lot of trouble figureing out !!! thanks for the help ps i dont just want the answer because i need to know hoow to do it so plz try to explain!! thank you some much!!!! probs. are below
1.Antonia visits the park every 6 days and gos to the library every 8 days if she gets to do both of these today how many more days will pass b4 she gets to do they both on the same day again?
2.elena cleans the hamster cage every 5 days and brushes the dog every 9 days, and cleans the the frog cage every 6 days how many days will pass before she can take care of all the pets on the same day?
3.estimate by rounding to the nearest integer 39.227-16.429
4.use compatible numbers to estimate -27.9-27.3
5.divide. write the answer in simplest form 2and8/9 divided by 12/13
6.john has 12 pints of juice how many 1 cup servings can she sell to people.
7.which of the measurments is most precise 13 and 11/16 ft. or 24 ft

Answer 1

1. 24 days multiply 6 x 8 then divide by 2.
2. 90 days multiply 5 x 9 x 6, then divide by 3.
3.
4.
5.
6. 1 pint = 2 cups, so 12 x 2 = 24 cups
7.

Hope this helps. Good luck on the rest!

Answer 2

MATH, ACTIVITIES.

http://www.sosmath.com/wwwsites.html

http://www.webmath.com/index.html

http://mathforum.org/dr.math/

http://www.tc.cornell.edu/Services/Education/Gateways/Math_and_Science/mathematics.htm

Kindergarten to 8th Grade Interactive Sites

http://www.theproblemsite.com/math_games.asp

http://www.internet4classrooms.com/skills_4th.htm

http://www.apples4theteacher.com/math.html

http://www.kidsolr.com/math/index.html

http://www.center.k12.mo.us/edtech/edm/4.htm

http://www.learningplanet.com/act/mayhem/index.asp

http://www.mathisfun.com/

http://www.sparknotes.com/math/

http://its.leesummit.k12.mo.us/studentsites.htm

http://springfieldpublicschoolsmo.org/depts/edtech/Resources/Math/index.htm

http://www.math.com/

MATH WEBSITES FOR TEACHERS AND STUDENTS

http://www.cumbavac.org/Math.htm

Good luck.

Kevin, Liverpool, England.