Suppose you have finished solving four percent problems using proportions that you set up correctly. Check each

Question:

Suppose you have finished solving four percent problems using proportions that you set up correctly. Check each answer to see if each makes the proportion a true proportion. If any proportion is not true, solve it to find the correct solution. See the Concept Checks in this section.
1. 520/b = 65/100 is the base equal to 800?
2. 36/12=p/100 is the percent equal to 50(50%)?