I think i’m may be ‘B’ i’m so sorry if i’m incorrect!!
Answer:
Step-by-step explanation:
Hope it will help you.
APEX ! Non-linear systems of equation.
<span>let x be the interval, then:
186 = 50 + 3 + (3+x) + (3+2x) + (3+3x) + (3+4x) + (3+5x) + (3+6x) + (3+7x)
186 = 74 + 28x
x = 4
Eldest son age = 3+7x = 3+28 = 31.</span>
