In Austin, the use of landlines has

been declining at a rate of 20% every

year. If there are 51,000 landlines this

year, how many will there be in 9

years?

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# In Austin, the use of landlines has
been declining at a rate of 20% every
year. If there are 51,000 landlines this
year,

In Austin, the use of landlines has

been declining at a rate of 20% every

year. If there are 51,000 landlines this

year, how many will there be in 9

years?