Answer:
87
Step-by-step explanation:
flip it upside down
78
if you flip it upside down it is in numerical order starting from 86. filling in the blank then flipping the number upside will result in the answer being 78. if not the then idk bro
14.52
13.57 + 13.57 x 7% = 13.57 x (1+7/100) =13.57 x 107/100 = 14.52
5000
hmu if you need more help! :D