The sum of two numbers is 190.
The difference between the two numbers is 100.
- The smaller number.
- The larger number.
(a)
Let the smaller number be 1 u.
Larger number = 1 u + 100
Total
= 1 u + 1 u + 100
= 2 u + 100
2 u + 100 = 190
2 u = 190 - 100 = 90
1 u = 90 ÷ 2 = 45
Smaller number = 45
(b)
Larger number
= 1 u + 100
= 45 + 100
= 145
Answer(s): (a) 45; (b) 145