By what percentage did Revere's making of flatware increase between 1761-1775 and 1779-1797?

80%

Explanation:

From the table:

Revere making of Flatware in 1761 to 1775 = 401

While during the period of 1779 to 1797, the making of flatware has increased to 2,069

Hence, to find the percentage increase:

We carry out substation which is

2,069-410 = 1659

Therefore 1659 divided 2069 = 0.8018

Then multiply by 100 ≈ 80%

In another way, we can use 410 divided by 2069 = 0.198

then multiply by 100 = 19.8% ≈ 20%

Then, lessing 20% from 100%

We have 80%.

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