Answer:
1. (-3) and (-4)
2. (-5) and 6; vise versa
16•0.10= 1.60$
8•0.05= 0.40¢
12•0.25= 3.00$
1.60$+0.40¢+3.00$= 5.00$
3•0.10= 0.30¢
5•0.05= 0.25¢
0.30¢+0.25¢= 0.55¢
5.00$-0.55¢= 4.45$
4.45$ is left in the piggy bank.
I know for sure it's rational and an integer. I don't think there should be anymore to apply.
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I hope this helped you. .+(´^ω^`)+.