What was your question that was never answered?
She would get £2.50
4 times 2 is 8
2 times 3 is 6
0.7 times 5 is 3.5
Add them together
Minus it from 20
It equals £2.50
Same as 0.532/100 =0.00532
6-4.2=1.8
The percent of change from 1982 to 1999 is:
(1.8/4.2)*100=42.86%
