Answer:
21 cents
Explanation:
1 penny = 1 cent
1 dime = 10 cents
1 cent + 10 cents + 10 cents = 21 cents
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21¢ or $0.21
A penny is 1 cent, or $0.01. A dime is 10 cents, or $0.10. The total spent is ...
1¢ +2×10¢ = 21¢ = $0.21
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