I really need help my teacher didn't explain how to do it very well

Answer:
$10.00 41 bannanas
4 is 1.00$
6 is $1.50
7 is $1.75
10 is 2.50
Step-by-step explanation:
Each of the numer like if it was one then it was 25cents but if it is 4cents then it is a doller so to me i think it is