Problem

Use signed numbers to solve each problem. READING PROGRAMS In a state reading test give...

Use signed numbers to solve each problem.

READING PROGRAMS In a state reading test given at the start of a school year, an elementary school’s performance was 23 points below the county average. The principal immediately began a special tutorial program. At the end of the school year, retesting showed the students to be only 7 points below the average. How did the school’s reading score change over the year?

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