Step-by-step explanation:
Putting values of a and b
8(1/4) - 1 + 0.5(10)
2 - 1 + 5
1 + 5
= 6
1, 3, 5, 7, 15, 21, 35, 105 these are the factors of 105.
The sum of the prime factors is 3+5+7=15
J(Jane) + 3 = B(Billy)*2
J + 3 = 7(2)
J + 3 = 14
J = 14-3
J = 11 (Jane is 11)Cheers!
