Percentages

In problem solving we are learning about Percentages we have been doing percentages for the last two weeks. It has been very fun and challenging.

Here's my thinking (:

65`/. + what =100`/.
65`/. + 5/`. =70/`/.
70`/. + 30`/. =100`/.
5`/. + 30`/. =30`/.
and so the answer is 35`/.