Step-by-step explanation:bits still kinda blurry but I can Manage
1.
[tex]58.99 - ( \frac{46}{100} \times 58.99)[/tex]
2. I guess
[tex] \frac{450 - 350}{450 + 350} \times 100[/tex]
3. I think
(20/100 + 25/100)