Unit 44 problems with  answers from http://www.textbooksfree.org/
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Unit 44 Graphs, Signed Numbers, Statistics, Probability, and Measurement
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Use the following graphs to answer the questions on the next page.

1) In what year did cassette sales pass 200 million units? __________

2) Record sales were at a low point in _________ with under _______ units sold.

3) The last year records outsold cassettes was __________.

4) In 1980, cassette sales were _________ (more or less) than record sales?

5) Music Videos were __________ of record sales in 1990.
     A) 10% B) 25% C) 33.3% D) 50%

6) In 1985, total recording media sales were over ________________________.