Answer: 4
Explanation:
First, get 2 and 5 together 2/5 ad than 1 year is 2 of the 5 months so that is 10 so your equation should look like 2/5 = i/10 then cross multiply 2x10=20 5xi = 5i now your equation looks like 5i = 20 divide 5 on both sides and your answer is i = 4.