First, add all the prices of the things that Aiden wants to buy to find how much money will be needed. Then, add all the earnings and substract the total amount of earnings from the amount of money that he needs to find how much more money he needs to earn.
The total cost of the things he wants to buy, is:
![12+8+10=30](https://img.qammunity.org/2023/formulas/mathematics/college/qt2sw303lpjk2ip6bitbiq3r3niz652zzi.png)
The total earnings are:
![5+2+3+6=16](https://img.qammunity.org/2023/formulas/mathematics/college/uxvsuxdvqnpi73f2syvp7ty6ztjn1xwnkj.png)
The dfference from the money that hee needs minus the money that he has, is:
![30-16=14](https://img.qammunity.org/2023/formulas/mathematics/college/lhpbjk6qwlzhl59rqrzh8a1uoingmcgenl.png)
Therefore, he needs to earn $14 more to do all the things he is planning.