Answer:
-8
-4
-2
0
500/2000
2000/2000
3
5
12
Step-by-step explanation:
Since this is in the Mathematics subject my best answer would be Rational.
Joan received $17 and 94 cents ($17.94)
$14.20 + $7.86= $22.06 (her total)
$20+$20= $40 (how much she paid with)
$40- $22.06= $17.94