Answer: 45 and 25
Explanation:
Given
Five years ago victor was twice as old as his daughter
Suppose the current age of victor and his daughter are x and y
For five years ago
![\Rightarrow (y-5)=2(x-5)\\\Rightarrow y-5=2x-10\\\Rightarrow y=2x-5\\\Rightarrow 2x-y=5\quad \ldots(i)](https://img.qammunity.org/2022/formulas/mathematics/high-school/b6k1p19wjg1z2hcbmvdxgo1i7wdxvrhycc.png)
In 10 years sum of their ages is 90
![\Rightarrow (y+10)+(x+10)=90\\\Rightarrow x+y=70\quad \ldots(ii)](https://img.qammunity.org/2022/formulas/mathematics/high-school/q4fpprd6ot5ml5t1cgdbonua8m9x167t9y.png)
On solving (i) and (ii) we get
![\Rightarrow x=25,y=45](https://img.qammunity.org/2022/formulas/mathematics/high-school/nijytxniavoxp0vse74u63u89y2h16m3mw.png)
So, the current age of victor is 45 and his daughter is 25