The first part (one hundred and three) can be expressed the same way you'd express any integers, simply as 103. To add the nine tenths, you simply add a nine in the tenths place, which is the digit immediately following a decimal point. As a result, the number is 103.9.
Hi there! Interest on the first loan is 800×.075×2=120. The interest on the second loan is 138-120=18. Now, we have to use the simple interest formula. 18=P×.03×2=300. Therefore, the answer is $300.
