Solve the problem. See Example 6.Poverty Level Income Cutoffs  The table lists how poverty...

Solve the problem. See Example 6.

Poverty Level Income Cutoffs  The table lists how poverty level income cutoffs (in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the poverty level cutoff in 1987 to the nearest dollar.

Source: U.S. Census Bureau.

EXAMPLE 6

APPLYING THE MIDPOINT FORMULA TO DATA