Given:
- Money needed to buy new jacket = $225
- Money he already has $54
- He earns per hour = $9
![\\ \\](https://img.qammunity.org/2023/formulas/spanish/high-school/3smwgzm5kcwhalsj7lj64e5ajokjvn8r8h.png)
To find:-
- Total hours Milo need to work for his dad
![\\ \\](https://img.qammunity.org/2023/formulas/spanish/high-school/3smwgzm5kcwhalsj7lj64e5ajokjvn8r8h.png)
Let :
- Total hours Milo need to work for his dad be x
![\\ \\](https://img.qammunity.org/2023/formulas/spanish/high-school/3smwgzm5kcwhalsj7lj64e5ajokjvn8r8h.png)
Solution:
So as we know he already has $54
- Actual Money needed = Money needed to buy new jacket – Money he already has
- Actual Money needed =$225 - $54
- Actual Money needed = $171
Equation formed to find value of x :-
![\leadsto \sf9x = 171](https://img.qammunity.org/2023/formulas/mathematics/high-school/xhvwyj1nzk002jflnuur4heq7e1uqthw7o.png)
![\\](https://img.qammunity.org/2023/formulas/spanish/high-school/3sx26fznv84e4ulbgeqvxi5ztv7h0mnzrw.png)
![\leadsto \sf x = (171)/(9)](https://img.qammunity.org/2023/formulas/mathematics/high-school/g1dzfvvopo22bm4qtep8vg32ad731w7yha.png)
![\\ \\](https://img.qammunity.org/2023/formulas/spanish/high-school/3smwgzm5kcwhalsj7lj64e5ajokjvn8r8h.png)
![\leadsto \sf x = (3 * 3 * 19)/(9)](https://img.qammunity.org/2023/formulas/mathematics/high-school/e4m0xklvamzp1x1sh395ov84ixy55fljye.png)
![\\ \\](https://img.qammunity.org/2023/formulas/spanish/high-school/3smwgzm5kcwhalsj7lj64e5ajokjvn8r8h.png)
![\leadsto \sf x = ( \cancel3 * 3 * 19)/( \cancel9)](https://img.qammunity.org/2023/formulas/mathematics/high-school/idfz94k5v8v8i1atjf7i5z64v0hjh12ne1.png)
![\\ \\](https://img.qammunity.org/2023/formulas/spanish/high-school/3smwgzm5kcwhalsj7lj64e5ajokjvn8r8h.png)
![\leadsto \sf x = ( \cancel3 * 19)/( \cancel3)](https://img.qammunity.org/2023/formulas/mathematics/high-school/1i8ovl4cta75re41lmg327hwz9mvtk154x.png)
![\\ \\](https://img.qammunity.org/2023/formulas/spanish/high-school/3smwgzm5kcwhalsj7lj64e5ajokjvn8r8h.png)
![\leadsto \bf x = 19](https://img.qammunity.org/2023/formulas/mathematics/high-school/qooif580fh5munpm5wxebeu8wrfet6il6n.png)
![\\ \\](https://img.qammunity.org/2023/formulas/spanish/high-school/3smwgzm5kcwhalsj7lj64e5ajokjvn8r8h.png)
![\therefore \underline {\textsf{\textbf{No. of hours required is equal to\red{ 19 hours}}}}](https://img.qammunity.org/2023/formulas/mathematics/high-school/n2uoyjrl444fxbg2k1gnskcfdlufsrydj3.png)