Answer:
1. Increase £92 by 40% = £128.8
2. Increase £150 by 13% = £169.5
3. Decrease £75 by 80% = £15
4. Decrease £440 by 18% = £360.8
Step-by-step explanation:
1. Increase £92 by 40%
40/100 + 92
0.4X92
36.8
92+36.8
£128.8
2. Increase £150 by 13%
13/100 X 150
0.13X150
19.5
150+19.5
£169.5
3. Decrease £75 by 80%
80/100 X 75
0.8X75
60
75-60
£15
4. Decrease £440 by 18%
18/100 X 440
0.18X440
79.2
440-79.2
£360.8
