Can someone help with this 2 questions please i try do it hard but I don’t understand can someone help me please show you work

Answer:
30 dollars
Step-by-step explanation:
7.95×3= 23.85
2.96×.25= 0.74
4.25×1= 4.25
23.85+0.74+4.25= 28.84
28.84+1.16= 30