answersLogoWhite

0


Best Answer

First number is 20 and last is 99

so 20 = 1 then 21 = 2 then 29 = 10

So from 29 take 19 to make 10

then apply to 99 as in 99 - 19 = answer 80

User Avatar

Wiki User

11y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many 2 digits numbers are between 20 and 100?
Write your answer...
Submit
Still have questions?
magnify glass
imp