Question

jack usually mows his lawn in 4 hours. marilyn can mow the same yard in 7 hours. How much time would it take for them to mow the lawn together. Can someone please help me with this..think I am overthinking and can not get it!!!

Answer 1

28/11 hrs.

Answer 2

Nope,
\[\frac{28}{11}\]

Answer 3

NO problem.
Have more? =D

Answer 4

Sure! =D
They are easy!

Answer 5

Yes, Always! xD

Answer 6

Man!!! i hate this question! literally!
lol..

Answer 7

just a sec, let me solve..

Answer 8

i hate these questions to.....not any good at word problems

Answer 9

k = 1/18

d = k*r^2
d = 1/18 * (70)^2
d = 2450/9
d = 272.22

Answer 10

so would this be 272.2 feet?

Answer 11

It can be marked as wrong, what does mathlab says about the input format?

Answer 12

one sec

Answer 13

simplify your answer as an integer or a fraction

Answer 14

Then go for 2450/9

Answer 15

oh man...you are awesome!!!!!!! Wish I had a direct line to you...LOL

Answer 16

LOl, are in UoP?

Answer 17

yes...and I have tried everything......with those two questions and just could not comprehend them for some reason

Answer 18

Cool. no worries..
=D

Answer 19

lol, that happens.
actually im a private tutor for UoP students who are stuck with their math class..

Answer 20

No doubt! =D

Answer 21

Are u on fb?

Answer 22

http://www.facebook.com/saifoo.khan

Answer 23

ok cool...thank you so much for your help

Answer 24

np!!

Answer 25

umm, can we discuss this on fb?
if u dont mind?

Answer 26

=)