Sum of two digits is 30 and there difference is 8. Find the product of the two digits?
Sum of two digits is 30 and there difference is 8. Find the product of the two digits?
Explanation
Suppose first digit = A
Second digit = B
A + B = 30 i
A - B = 8 ii
A = 30 - B
(30-B) - B = 8
30 - 2B = 8
-2b = 8 -22
2b = 22
B= 11
A + 11 = 30
A = 30 - 11
A = 19
A = 19 anf B = 11
A + B = 209