Answer:
£754.4
Step-by-step explanation:
explanation shown in image provided
x<24
x<22
x<23
X - 4<20
move 4 and add it to 20
same goes for the other solutions
one would be (14,6)
(16,0)
1= 36
2= 6
3= 42
4= 162
5= 200
D $1.05
$4.20 divided by the amount of friends (4) is equal to $1.05 per friend.