The answer is 61.
66 + 7 = 73
13 + 8 = 21
52 + 9 = 61 (The answer)
10 + 10 = 20
IT IS GIVEN THAT XM= MY FROM THE DIAGRAM
<h2>THEREFORE</h2>

HOPE THIS HELPS
Answer:
shenf dhd
Step-by-step explanation:
rhrbrutb hnjngb bdjdhdhdgdg jdjdurbervy
Plug in the values into the compound interest formula