Suppose the tax rate on the first $10,000 of income is zero;10% on the next $20,000;20% on the next $20,000;30% on the next $20,000;and 40% on income over $70,000.Family C has an income of $100,000.The family's average tax rate is ________%.

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The Answer of Suppose the tax rate on the first $10,000 of income is zero;10% on the next $20,000;20% on the next $20,000;30% on the next $20,000;and 40% on income over $70,000.Family C has an income of $100,000.The family's average tax rate is ________%.

Suppose the Tax Rate on the First $10,000 of Income