* GMAT Math Help Please

[psphangureh]

Problem 1:
(.8)^-5 / (.4)^-4 =

Problem 2:
Account X interest rate = 6%
Account Y interest rate = 8%
The total invested in these accounts was $50,000 and it increased 7.2%
How much was invested in Account X?

Problem 3:
There are 4 integers. There sum and product is even. What is the max odd numbers you can have?

Thank you.

[freelance21]

Ans 1: 250/2

Ans 2: 20000

Ans 3: 3

[RonPurewal]

hi -

please see the forum rules, which can be found here:
read-before-you-post-general-math-folder-guidelines-t2717.html

* when you post problems in this folder, you MUST CITE THE SOURCE of the problem.

* you must use a SEPARATE THREAD FOR EACH PROBLEM.

* finally, if the problems have ANSWER CHOICES, you must INCLUDE those answer choices.

please re-post these problems (remember, new thread for each problem!), honoring these rules. thanks.
we will delete this thread in a week or two.