exam Maths Puzzle Numerical Ability

solve having problems with this one

x^2-9 over 4x-12 show work

this is what I came up with

(x-3)(x+3) over 4(x+3)

answer: x-3 over 4

Read Solution (Total 0)

exam Other Question

What is the sum of the first 500 counting numbers. .1X+.99Y+.13Z=.5[X+Y+Z]
.99X+.05Y+.02Z=.24[X+Y+Z]
X:Y:Z=1:.94:2.59[THIS IS THE ANSWER TO THE ABOVE TWO EQUATION.I WOULD LIKE A STEP BY STEP BREAKDOWN AS TO HOW THIS ANSWER WAS O