Answer:
10 & 4
Step-by-step explanation:
Let the numbers are a and b.
Their average = 7
= > ( a + b ) / 2 = 7
= > a + b = 2 * 7 = 14 ...( 1 )
Also,
= > 3 times of difference between a and b = 18
= > 3( a - b ) = 18
= > a - b = 6 ... ( 2 )
adding ( 1 ) & ( 2 ) :
= > ( a + b ) + ( a - b ) = 14 + 6
= > 2a = 20
= > a = 10
Thus,
= > a + b = 14 → 10 + b = 14
= > b = 14 - 10 = 4
