There is a very easy way to do this type of thing:
Subtract the difference, then half the answer, this gives the smaller number. Add back the difference to get the larger number.
In this case 90 - 18 = 72; 72/2 = 36 then 36 + 18 = 54.
12
8 & 12
12 and 24!
0.4 and 2.
4
12
- 1 and 5.
8 & 12
12 and 24!
0.4 and 2.
3.5 and -1.5
The difference of two numbers is 8. Their sum is 22. What are the two numbers?
4
212
10 and 15.
the sum of two whole numbers are 77 .their difference is 48.what are the two numbers
27 and 81