PLEASE ANSWER ASAP 30 POINTS
1.Find the percent of change: $9.80 is increased to $18.60
a.52%
b.90%
2.Find the percent of change: 10.2 is decreased to 9.9
a.3%
b.97%
3.Find the percent of change: 243 is increased to 298
a.23%
b.82%
4.28 is increased by 50%
a.42
b.122
5.75 is decreased by 40%
a.45
b.35
