4y=10x
y= quarters x= dimes
4 (25) = 100 10 (10)= 100
Check the picture below.
let's bear in mind that the segment MN is simply the sum of MQ + QN, and since M and N are midpoints, they cut that respective section into two equal halves.

![\bf \cfrac{~~\begin{matrix} 10QR \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{~~\begin{matrix} 6QR \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\implies \cfrac{5}{3}](https://tex.z-dn.net/?f=%5Cbf%20%5Ccfrac%7B~~%5Cbegin%7Bmatrix%7D%2010QR%20%5C%5C%5B-0.7em%5D%5Ccline%7B1-1%7D%5C%5C%5B-5pt%5D%5Cend%7Bmatrix%7D~~%7D%7B~~%5Cbegin%7Bmatrix%7D%206QR%20%5C%5C%5B-0.7em%5D%5Ccline%7B1-1%7D%5C%5C%5B-5pt%5D%5Cend%7Bmatrix%7D~~%7D%5Cimplies%20%5Ccfrac%7B5%7D%7B3%7D)
A triangle in which all three sides measure different lenghts this type of triangle is called scalene triangle
<span> 9, 10, and 130‾‾‾‾
it is not a rightangle triangle</span>
A complex number in the denominator is eliminated by multiplying the fraction by 1 in the form of the conjugate of that denominator divided by itself.

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A graphing or scientific calculator that handles complex numbers can do this simplification for you.