Respuesta :

Don't you have a calculator? Just add those two numbers.
While adding 52 and 99 , It becomes 151
When adding these two numbers, notice 99 is very close to 100.  So, we can take 1 from the 52 and make it 51, giving us 51+1+99.  99+1=100, so we can rewrite this as 51+100.  This is 151.

Hope this helps!
ACCESS MORE