Answer:
16.58
Explanation:
First you have to convert 3 2/5 into a decimal (3.04) than you have to add that number by itself (3.04 + 3.04) which equals 6.08 Second you Convert 5 1/4 into a decimal (5.25) Than again you add that number by itself (5.25 + 5.25) which equals 10.5 you would than take 6.08 and 10.5 and add those together to get 16.58