Respuesta :
Betty worked for 8 hours.
1st hour= $7.50
2nd hour= $15
3rd hour= $22.50
4th hour= $30
5th hour= $37.50
6th hour= $45
7th hour= $52.50
8th hour= $60
1st hour= $7.50
2nd hour= $15
3rd hour= $22.50
4th hour= $30
5th hour= $37.50
6th hour= $45
7th hour= $52.50
8th hour= $60