Lunar

6 Questions
12 Answers

0

911

6

+65

Again #2

A mother is 34 years old, and her son is 6 yers old. How old will her son be, if her mother gets two times older than her?
(Explanation will be nice)

●●●●●●

Lunar May 10, 2016

0

853

2

+65

Again.

Some friends have to gather money for a group trip. If each of them gives 90$, they will need 60$ more. If each of them gives 110$, they will have 60$ left. How many friends are in the group? (If you know the awnser explain how you got to it.) read more ..

Lunar May 4, 2016

0

972

2

+65

Another one of these..

A certain work has to be done by 6 workers for 8 days, but 2 of the workers got hurt, thus cannot work. How many days will it take for the rest ofthe workers to do the work? (Please explain how you solved this)

ElectricPavlov ●●

Lunar Apr 28, 2016

0

787

3

+65

I need help for this one..

A person finishes a certain work for 2 hours, another person finishes the same work for 4 hours. How much time will it take for the two to finish the work? (please explain how you solved this)

Lunar Apr 22, 2016

0

871

4

+65

For x = (-2)^-3 solve this : A = (x - 2)(x+5) - (x - 4)(x + 3) + 4x

For x = (-2)^-3 solve this : A = (x - 2)*(x+5) - (x - 4)*(x + 3) + 4x
I just cannot find a way to solve this, so please if anyone actually helps can you show how you solved it?
Thanks in advance

CPhill ●●●●

Lunar Sep 23, 2015

0

1299

3

+65

Can somebody solve this? And if yes, can you show how you solved it? Thanks!

(-6)^2/(-3)-8/(-1/2)-5 P.S Its very easy I know.

Melody ●●●

Lunar Jun 3, 2015