B) 2/8 that’s the answer :p
20
Step-by-step explanation:
Step 1:
Let the number be 50 and to find 40% of 50 is given interms of expression as follows
To express the percentage the following strategy is used
Eg: 40% = 
∴ To express 40% of 50 is

Step 2:
On simplification the above expression we could get

= 20
1,3, and 4 are similar shapes
24 dollars if you times the amount of percentage using the correct ratio you should get around 24 or maybe 24.50