Question

10:99::9:?in question in may

​

Answer 1

Answer:

80

${10}^{2} - 1 = 99$

${9}^{2} - 1 = 80$

Answer 2

Answer:

89.1

Step-by-step explanation:

10:99::9:x

10/99=9/x

10*x=99*9

x=99*9/10

=89.1

HERE'S YOUR ANSWER BUDDY...

HOPE IT HELPS...