Answer:
90
Step-by-step explanation:
342-252=90
So, therefore, 252+90=342
Answer:
90
Step-by-step explanation:
Since the sum is 342 and we already know the first number is 252 we would take away 252 from 342 to get the amount of the second number.
(342-252=90)
We got 90 and to check we would add 252+90 which is =
(252+90=342)
The answer is 90
I hope this helped:)
