Answer:
Y=15
Step-by-step explanation:
4-1=3
18-3=15
15+3=18
So, 15+4-1=18
y=15
2.8 if rounded, If not rounded, 2.77
n = 6
2 =
multiply both sides by 3
=> n = 6
125,44
Loss = 112÷100*12
=13,44
Therefore : 112 + 13%
=112 + 13,44
=125,44
