Since there is an addition symbol in the middle all you need to do is combine like terms/add. Your final answer should be:
p= 5s+5
To get the answer you must see how many times 7 can go in 114
Add them. Pentagram interior angle is 540. 105+101+112+113=431. 540-431=109 Hence, 109 is the answer. Please brainliest.