Dolores spent $13.00 of the $20.00 in her wallet. Which decimal represents the fraction of the $20.00 Dolores spent?

0.35

0.13

0.07

0.65

2 answers

13 / 20 = d / 100

1300 = 20 d

65 = d
13/20 = 5*13 /5*20 = 65/100 = 0.65