Answer:
The answer to your question is: Henry gets £ 78
Explanation:
Data
Henry = H
Gavin = G
Jim = J
Henry + Gavin + Jim = £ 130
H = 2G
G = 3J
Process
Write an equation in terms of G
H + G + J = 130
2G + G + G/3 = 130
Solve it for G
3( 2G + G + G/3 = 130)
6G + 3G + G = 390
10G = 390
G = 390 / 10
G = £39
H = 2G = 2(39)
H = £78
J = G/3
J = 39/3
J = £13