Answer:
Irene's share = 29
Charlie's share = 18.5
Explanation:
R bill = 47.5
Irene's share = (2 × Charlie's share )-8
Irene's share = y
Charlie's share = x
bill = x + y = 47.5
y = 2x -8
x + 2x - 8 = 47.5
3x = 47.5 + 8= 55.5
x = 18.5
y = 29
let Irene's share be x and Charlie's share be y
x=2y-8
x+y=$47.50
x=$47.50-y
$47.50-y=2y-$8
$47.50+$8=2y+y
$55.50=3y
y=$55.50/3
y=$18.50
x=$47.50-$18.50
x=$29
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